Solutions

Front

What is molarity?

Back

Molarity is a measure of concentration defined as the number of moles of solute per liter of solution (mol/L).

Front

What is the formula to calculate molarity?

Back

Molarity (M) = moles of solute / liters of solution.

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is the substance that dissolves the solute, typically present in a greater amount.

Front

What is the molarity of 1 mole of solute in 1 liter of solution?

Back

1 M (1 mole per liter).

Front

What is the relationship between moles, mass, and molar mass?

Back

Moles = mass (g) / molar mass (g/mol).

Front

What is the most soluble substance at 0 ºC among KI, NaNO3, NaCl, and Ce2(SO4)3?

Back

NaNO3 is the most soluble at 0 ºC.

Front

How do you convert grams of solute to moles?

Back

Moles = grams of solute / molar mass of solute.

Front

What is the molarity of 4 grams of sodium chloride (NaCl) in 3,800 mL of solution?

Back

0.018 M.

Front

What units are used to express molarity?

Back

Molarity is expressed in moles per liter (mol/L).