Solubility curve and molarity

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

How is molarity calculated?

Back

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

Front

What is the unit of molarity?

Back

The unit of molarity is moles per liter (mol/L).

Front

Which substance is MOST soluble at 0 ºC: KI, NaNO3, NaCl, or Ce2(SO4)3?

Back

NaNO3 is the most soluble at 0 ºC.

Front

How many moles of NaCl are in a solution with a molarity of 8.59 M and a volume of 125 mL?

Back

1.07 mol.

Front

Which solute does not increase in solubility as temperature rises: NH3, NaNO3, KNO3, or NaCl?

Back

NH3 does not increase in solubility as temperature rises.

Front

Calculate the molarity of a solution containing 1.5 moles of NaCl in 0.5 L of solution.

Back

3 M.

Front

What is a solubility curve?

Back

A solubility curve is a graph that shows the relationship between the solubility of a substance and temperature.

Front

What does a steep slope on a solubility curve indicate?

Back

A steep slope indicates that the solubility of the substance increases rapidly with temperature.

Front

What does a flat line on a solubility curve indicate?

Back

A flat line indicates that the solubility of the substance does not change significantly with temperature.