A 3 Calculate the amount of solute in each of the following solutions.
in units of moles
b in units of grams
Relative atomic masses, Ar, values: H = 1; CI = 35.5; Na = 23; 0 = 16;
N = 14; Ca = 40
i 0.20 dm3 of a solution of hydrochloric acid, HCl, with a
concentration of 1.5 mol/dm3
ii 4.5 dm3 of a solution of sodium hydroxide, NaOH, with a
concentration of 0.40 mol/dm3
jij 80 cm3 of a solution of nitric acid, HNO3, with a concentration of
1.25 mol/dm3
iv 1250 cm3 of a solution of calcium hydroxide, Ca(OH)2, with a
concentration of 0.87 mol/dm3.