Start from no. 14 A. U.00048 eq/morB. 0.48 eq/molC. 0.00096 eq/molD. 0.96 eq/mol14. Find the molality of a solution made by adding 8g of NaOCI to 5000g of water. (MW: Na-23 g/mol, 0-16 g/mol,Cl=35g/mol)A. 0.000021 mB. 0.02 mC. 0.1081 mD. 0.001081 m15. 500g of AlS; is dissolved in H20 to make 15L of solution. What is its normality? (MW: Al=27g/mol, S=32g/mol,H=lg/mol, 0=16g/mol)A. 0.11 NB. 0.07 NC. 0.22 ND. 0.04 N16. The concentration of a 1500mL aqueous KCI solution was increased from 25.0 M to 80.0 M by evaporation. How muchH20 was removed? (MW: K=39g/mol. Cl=35g/mol. H=1g/mol, 0=16g/mol)A. 1.03 LB. 0.47 LC. 1968.75 mLD. 4.68.75 mL17. Suppose that 15M of NaCI solution with a volume of 15L is heated and loses 2000ml of its water content. What wouldbe the final concentration of your NaCl sample? (MW: Na-23g/mol, Cl=35g/mol, H=lg/mol, 0=16g/mol)A. 3.75 MB. 0.0375 MC. 37.5 MD. 375.0 M18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution?A. 3000 mL

14. Given ;- mass of NaOCl = 8 g Mass of water = 5000 g MW: Na = 23 g/mol, O = 16g/mol, Cl =…

Answered: Find the molality of a solution made by…

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Find the molality of a solution made by adding 8g of NaOCI to 5000g of water. (MW: Na=23 g/mol, 0-16 g/mol, Cl-35g/mol)

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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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

Start from no. 14

A. U.00048 eq/mor
B. 0.48 eq/mol
C. 0.00096 eq/mol
D. 0.96 eq/mol
14. Find the molality of a solution made by adding 8g of NaOCI to 5000g of water. (MW: Na-23 g/mol, 0-16 g/mol,
Cl=35g/mol)
A. 0.000021 m
B. 0.02 m
C. 0.1081 m
D. 0.001081 m
15. 500g of AlS; is dissolved in H20 to make 15L of solution. What is its normality? (MW: Al=27g/mol, S=32g/mol,
H=lg/mol, 0=16g/mol)
A. 0.11 N
B. 0.07 N
C. 0.22 N
D. 0.04 N
16. The concentration of a 1500mL aqueous KCI solution was increased from 25.0 M to 80.0 M by evaporation. How much
H20 was removed? (MW: K=39g/mol. Cl=35g/mol. H=1g/mol, 0=16g/mol)
A. 1.03 L
B. 0.47 L
C. 1968.75 mL
D. 4.68.75 mL
17. Suppose that 15M of NaCI solution with a volume of 15L is heated and loses 2000ml of its water content. What would
be the final concentration of your NaCl sample? (MW: Na-23g/mol, Cl=35g/mol, H=lg/mol, 0=16g/mol)
A. 3.75 M
B. 0.0375 M
C. 37.5 M
D. 375.0 M
18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution?
A. 3000 mL

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