Get 20% Off + \$20 Signup Bonus ! Limited Time, Hurry !

Get 24x7 live help from our Top Tutors. All subjects covered.

250 words

### Students Who Viewed This Also Studied

5 Pages
###### Unit Course

“Consideration need not be adequate or commercially realistic. It merely needs to be sufficient” Discuss what the term ‘sufficient’ means in this context and whether the ...

Type

Thesis

Subject

6 Pages
###### financial and managerial accounting

Please look at the attachment for Assignment Requirement PART 1 â€“ Planning and Control (1000 words) Write an essay of 1000 words demonstrating your conceptual understanding of the followi ...

Type

Essays

Subject

10 Pages
###### ASP.NET 4.5

This assessment item relates to the course learning outcome numbers 2 and 3. More specifically, the objective of this assignment is for students to: ·      &nbs ...

Type

Programming

Subject

2 Pages
###### Eco Audit of a drinks container

The opjective  of the assignment  is to design an Eco-optimised container  for fizzy drinks using an eco-design tool (CES). Select  three different container types and  formul ...

Type

Thesis

Subject

### Question

Chemical Analysis Activity Sheet One – Introduction/Revision

Question 1

Indicate how many significant figures there are in:

a) 0.3050 b) 0.003050 c) 1.003 × 104

Question 2

Round each number as indicated:

a) 5.124 8 to 4 significant figures d) 0.135 237 1 to 4 significant figures

b) 5.124 4 to 4 significant figures e) 1.525 to 3 significant figures

c) 5.124 5 to 4 significant figures f) 1.525 007 to 3 significant figures

Question 3

Write each answer with the correct number of digits:

a) 3.021 + 8.99 =

d) 0.0302 ÷ (2.1143 × 10-3) =

b) 12.7 1.83 =

e) log (2.2 × 10-18) =

g) 10-4.555 =

c) 6.345 × 2.2 =

f) antilog (2.224) =

Question 4

Find the absolute and percent relative uncertainty and express each answer with a reasonable

number of significant figures.

a) 3.4 (±0.2) + 2.6 (±0.1) =

b) [3.4 (±0.2) × 10-8] ÷ [2.6 (±0.1) × 103] =

c) 3.4 (±0.2) ÷ 2.6 (±0.1) =

d) [3.4 (±0.2) 2.6 (±0.1)] × 3.4 (±0.2) =

Question 5

a) A solution is prepared by dissolving 0.2222 (±0.0002) g of KIO3 [FM 214.0010 ±0.0009] in 50.00 (±0.05) mL. Find the molarity and its uncertainty with an appropriate number of significant figures.

b) Would the answer be affected significantly if the reagent were only 99.9% pure?

Question 6

Calculate the pH of a) 5.0 × 10-4 M HNO3 and b) 5.0 × 10-4 M (CH3)4N+OH-.

Question 7

Using activity coefficients correctly, calculate the pH of

a) 0.050 M HBr

b) 0.050 M NaOH

Question 8

Find the pH and fraction of dissociation (α) of a 0.010 0 M solution of the weak acid HA with

Ka = 1.00 × 10-4.

Question 9

A 0.100 M solution of the weak acid HA has a pH of 2.36. Calculate pKa for HA.

Question 10

Calculate the concentration of Tl+ in a saturated solution of TlBr in water (Ksp = 3.7 x 10-9). Include activity effects.

a)       Calculate the concentration of Tl+ in a saturated solution of TlBr in 0.9 % w/v NaCl solution. Include activity effects.

b)       Comment on the difference between you answers to a) and b) above.

### Chemical Analysis

Solved by qualified expert

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Amet dictum sit amet justo donec enim diam vulputate ut. Neque convallis a cras semper auctor neque vitae. Elit at imperdiet dui accumsan. Nisl condimentum id venenatis a condimentum vitae sapien pellentesque. Imperdiet massa tincidunt nunc pulvinar sapien et ligula. Malesuada fames ac turpis egestas maecenas pharetra convallis posuere. Et ultrices neque ornare aenean euismod. Suscipit tellus mauris a diam maecenas sed enim. Potenti nullam ac tortor vitae purus faucibus ornare. Morbi tristique senectus et netus et malesuada. Morbi tristique senectus et netus et malesuada. Tellus pellentesque eu tincidunt tortor aliquam. Sit amet purus gravida quis blandit. Nec feugiat in fermentum posuere urna. Vel orci porta non pulvinar neque laoreet suspendisse interdum. Ultricies tristique nulla aliquet enim tortor at auctor urna. Orci sagittis eu volutpat odio facilisis mauris sit amet.

Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Amet dictum sit amet justo donec enim diam vulputate ut. Neque convallis a cras semper auctor neque vitae. Elit at imperdiet dui accumsan. Nisl condimentum id venenatis a condimentum vitae sapien pellentesque. Imperdiet massa tincidunt nunc pulvinar sapien et ligula. Malesuada fames ac turpis egestas maecenas pharetra convallis posuere. Et ultrices neque ornare aenean euismod. Suscipit tellus mauris a diam maecenas sed enim. Potenti nullam ac tortor vitae purus faucibus ornare. Morbi tristique senectus et netus et malesuada. Morbi tristique senectus et netus et malesuada. Tellus pellentesque eu tincidunt tortor aliquam. Sit amet purus gravida quis blandit. Nec feugiat in fermentum posuere urna. Vel orci porta non pulvinar neque laoreet suspendisse interdum. Ultricies tristique nulla aliquet enim tortor at auctor urna. Orci sagittis eu volutpat odio facilisis mauris sit amet.

Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Amet dictum sit amet justo donec enim diam vulputate ut. Neque convallis a cras semper auctor neque vitae. Elit at imperdiet dui accumsan. Nisl condimentum id venenatis a condimentum vitae sapien pellentesque. Imperdiet massa tincidunt nunc pulvinar sapien et ligula. Malesuada fames ac turpis egestas maecenas pharetra convallis posuere. Et ultrices neque ornare aenean euismod. Suscipit tellus mauris a diam maecenas sed enim. Potenti nullam ac tortor vitae purus faucibus ornare. Morbi tristique senectus et netus et malesuada. Morbi tristique senectus et netus et malesuada. Tellus pellentesque eu tincidunt tortor aliquam. Sit amet purus gravida quis blandit. Nec feugiat in fermentum posuere urna. Vel orci porta non pulvinar neque laoreet suspendisse interdum. Ultricies tristique nulla aliquet enim tortor at auctor urna. Orci sagittis eu volutpat odio facilisis mauris sit amet.

Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

MyAssignmenthelp.com has been providing affordable coursework help services to students in USA. Despite providing cheap academic assistance, we never compromise with the quality of help solution. We always deliver highest quality coursework assistance. Hence, we cater best to the search can someone help me with my coursework at affordable price. Some of our popular services include maths coursework help, English coursework help, management coursework help, history coursework help, nursing coursework help.

## More Chemical Analysis : Questions & Answers

Q

### Unit Course

“Consideration need not be adequate or commercially realistic. It merely needs to be sufficient” Discuss what the term ‘sufficient’ means in this context and whether the statement is accurate in regards to Australian contract law.  Your answer should discuss, by r ...

Q

### financial and managerial accounting

Please look at the attachment for Assignment Requirement PART 1 â€“ Planning and Control (1000 words) Write an essay of 1000 words demonstrating your conceptual understanding of the following questions. 1. Is budgeting used primarily for scorekeeping, attention, directing or problem s ...

Q

### ASP.NET 4.5

This assessment item relates to the course learning outcome numbers 2 and 3. More specifically, the objective of this assignment is for students to: ·         Develop, test and maintain a dynamic Internet application for business using an integrated ...

Q

### Eco Audit of a drinks container

The opjective  of the assignment  is to design an Eco-optimised container  for fizzy drinks using an eco-design tool (CES). Select  three different container types and  formulate  a product  specification. Explain  and show  the different  design &nb ...

### Content Removal Request

If you are the original writer of this content and no longer wish to have your work published on Myassignmenthelp.com then please raise the content removal request.