CONCENTRATION OF SOLUTION

A solution is prepared by dissolving 0.60 g of sodium chloride NaCl in 500 mL of water. Identify the solute.

• water

• sodium chloride

• NaCl solution

• distilled water

All the unit are accepted for MOLARITY except_________

• molL^-1

• molar

• moldm^-3

• molkg^-1

This is the formula used to determine

• percentage by mass

• percentage by volume

• molarity

• mole fraction

Sulphuric acid solution containing 16.8 g of sulphuric acid in 200 g water. Identifty the solvent in this question.

• sulphuric acid

• water

• sulphuric acid solution

• NaCl

Unit for mole fraction is ______________

• molal

• percent (%)

• no unit

• mol

A solution is prepared by dissolving 0.60 g of sodium chloride NaCl in 500 mL of water. Calculate the molarity of the solution. Given Mr Na: 23, Cl: 35.5.

• 0.50 M

• 0.20 M

• 0.60 M

• 0.01 M