Mass Percent and Molarity

Mass Percent and Molarity

10th Grade

6 Qs

quiz-placeholder

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Mass Percent and Molarity

Mass Percent and Molarity

Assessment

Quiz

Chemistry

10th Grade

Easy

NGSS
HS-PS1-5

Standards-aligned

Created by

Charles Martinez

Used 1+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of sucrose are dissolved in 250 mL of a solution if the solution concentration is 0.150M?

37.5 mol

0.0006 mol

0.038 mol

1666.6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molarity of a solution of HNO3 that contains 12.6 grams HNO3 in 1.0 L of solution?

0.200M

12.6M

0.0159M

126M

Tags

NGSS.HS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the molality of 25.0 grams of KBr dissolved in 750.0 mL pure water.

18750

0.33M

30M

0.280M

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molality of a solution that contains 825mg of NA2HPO4 dissolved in 450.0 mL of water?

3.72M

0.544M

0.0129M

1.83M

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sugar solution consists of 35.8 grams and 123.5 grams of water. What is the percent by mass of the sugar in the soluton?

45.0%

22.2%

26.7%

35.0%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine the percent by mass of a solution made from dissolving 30.0 g of H202 with 70.0 g H20.

22.8%

89.2%

46.9%

30.0%