Solutions

Front

The graph above is a heating curve of water. Which number in the graph represents the process of freezing?

Back

2

Front

The graph above is a heating curve of water. Which number in the graph represents the gas state? Options: 1, 2, 3, 4, 5

Back

5

Front

Which number in the graph represents the process of boiling?

Back

4

Front

Using the graph above, which compound would dissolve the fastest at 20° C? Options: KCl, NaCl, KNO₃, KClO₃.

Back

NaCl

Front

Using the graph above, which compound would dissolve the fastest at 60° C? Options: KCl, NaCl, KNO₃, KClO₃.

Back

KCl

Front

Using the graph above, solubility of which compound is influenced the most by changes in temperature? Options: KCl, NaCl, K₂Cr₂O₇, KClO₃

Back

K₂Cr₂O₇

Front

What is the molarity of a solution when 100 mL water are used to dissolve 21g CuSO₄?

Back

0.13 M

Front

A solution that has the maximum amount of solute dissolved in the solvent is called

Back

saturated

Front

A solution that has less than the maximum amount of solute dissolved in the solvent is called

Back

unsaturated

Front

How many grams of NaCl need to be dissolved in 50mL of water to make a 0.2M solution?

Back

0.58g