Solutions

At 10°C, NaNO₃'s solubility is 80 g/100 g of H₂O. Based on this information, what would the solubility be in 50 g of H₂O?

• 40g

• 80g

• 160g

• 16g

Identify if the following solution would be saturated, unsaturated, or supersaturated: 103 g KBr at 70ºC.

• Unsaturated

• Saturated

• Supersaturated

What is the molarity of a 0.50L sample of a solution that contains 60.0 g of NaOH (molar mass = 40.00g/mol)

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

How many liters would you need to make a 1.0 M solution if you have 6.0 mol of NaOH (molar mass = 40.00 g/mol)?

• 2.0L

• 3.0L

• 4.0L

• 6.0L

What is the amount concentration of 4.0 g of NaCl (molar mass = 58.45 g/mol) in 3,800 mL of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.062 M

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250. mL?

• 15.9 M

• 0.636 M

• 0.642 M

• 1.59 M

What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?

• 150. mL
• 151 mL
• 1.00 L
• 100. mL

Tags

NGSS.HS-PS1-7

Which would NOT increase the rate at which a sugar cube dissolves?

• Reducing the amount of solvent

• Crushing the sugar cube

• Stirring the solution

• Heating the solvent

Tags

NGSS.MS-PS1-4

Which of the following is an electrolyte?

• CH₄

• I₂

• LiBr₂

• CO

Which of the following is a nonelectrolyte?

• CaO

• NaOH

• BaCl₂

• Br₂