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Molarity, Molality & Mass Percent

Authored by Teresa Guth

Chemistry

9th - 12th Grade

Used 6+ times

Molarity, Molality & Mass Percent
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6 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the molarity of the following solution: 1.0 mole of KCl in 750.0 mL of solution.

0.75 M

0.0013 M

1.3 M

2.0 M

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If you have 0.0450 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?

10.3mol

0.2000 mol

0.0968 mol

0.0209 mol

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molarity of a solution made by adding 1.565 moles of Pb(NO3)2 to 500. mL?)

300. M

0.00313 M

3.13 M

1.56 M

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What mass of solute is needed to make 75.0 g of a 3.4% solution?

2.55 g
22 g
0.05 g

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 Kg of water?

2.0 M

0.22 m

135 m

2.0m

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many kilograms of H2O must be added to 75.5 g of Ca(NO3)2 to form a 0.500m solution?

0.920 Kg

0.00662 Kg

37.75 Kg

0,03775 Kg

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