1-8 questions Activity No.WAYS OF EXPRESSING CONCENTRATION OF SOLUTIONPercentage by Mass/Vol., M, m, N, Dilution of Solution and Mole FractionAtomic Mass:H =1 0= 16C= 12Ca = 40Na = 23CI = 35P = 31 N= 14WORD PROBLEM:1. What is the percentage of 12g of powder juice in 88g of water?2. How many grams of acetic acid ( HC,H,O.) is needed to prepare 350ml of a 0.7 M solution ofacetic acid ?3. How many grams of calcium carbonate (CaCO.) are present in 158g of chalk solution, containing4% CACO,?4. How do we prepare 300ml of 9M NH, from 11M solution?5. What is the molarity of a water solution that contains 22.2g of CH,O, in a total volume of600ml of solution?6. What is the molality of a solution by mixing 6.78g of NaCl in 400g of water?7. Calculate the normality of a solution containing 31g of H.PO, in 91 of water?8. A solution is prepared by dissolving 250 grams of C,H,OH in 750 grams of water. What are themole fraction of the component of the solution?

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1. What is the percentage of 12g of powder juice in 88g of water?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

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1-8 questions

Activity No.
WAYS OF EXPRESSING CONCENTRATION OF SOLUTION
Percentage by Mass/Vol., M, m, N, Dilution of Solution and Mole Fraction
Atomic Mass:
H =1 0= 16
C= 12
Ca = 40
Na = 23
CI = 35
P = 31 N= 14
WORD PROBLEM:
1. What is the percentage of 12g of powder juice in 88g of water?
2. How many grams of acetic acid ( HC,H,O.) is needed to prepare 350ml of a 0.7 M solution of
acetic acid ?
3. How many grams of calcium carbonate (CaCO.) are present in 158g of chalk solution, containing
4% CACO,?
4. How do we prepare 300ml of 9M NH, from 11M solution?
5. What is the molarity of a water solution that contains 22.2g of CH,O, in a total volume of
600ml of solution?
6. What is the molality of a solution by mixing 6.78g of NaCl in 400g of water?
7. Calculate the normality of a solution containing 31g of H.PO, in 91 of water?
8. A solution is prepared by dissolving 250 grams of C,H,OH in 750 grams of water. What are the
mole fraction of the component of the solution?

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