Solutions mini Test Part 2

How many grams of potassium bromide (KBr) can be dissolved in 100 grams of 80°C water?

• 45 g

• 100 g

• 0 g

• 80 g

Which compound’s solubility seems to be least affected by temperature?

• KBr

• Yb₂(SO₄)₃

• NaCl

• KNO₃

According to the graph above, if you have 80g of NaNO₃ dissolved in 100g of 10°C water, then the solution is

• Saturated

• Usaturated

• Supersaturated

• Colloid

According to the graph above, if you have 100g NaNO₃ dissolved in 100g of 10°C water, then the solution is

• Saturated

• Usaturated

• Supersaturated

• Colloid

Concentrated HCl is 11.7M.  What is the concentration of a solution made by diluting it from 25.0 mL to 1000 mL?

• 2.93 M HCl

• 0.293 M HCl

• 46.8 M HCl

• 3.42 M HCl

If a solution contains 3.458 moles of CuCl₂ in 1.500 L, what is the solution’s Molarity?

• 2.305 M

• 23.05 M

• 5.187 M

• 51.87 M

What volume of 15.6M NH₄OH is needed to make 0.5 L of 3.00M solution?

• 0.962 L

• 0.00962 L

• 0.026 L

• 0.0962 L

How many moles of LiNO₃ are in 0.250 L of 0.30M solution?

• 0.830 mol

• 0.083 mol

• 0.075 mol

• 0.750 mol