Question

A laboratory assistant is requested to prepare the reagents to be used in the experiments. He was told to prepare the following: 0.10M Acetic Acid; 1.0N Ammonium Molybdate; 2 molality of Ammonium chloride; 3% ethyl alcohol by volume; and 5% Sodium hydroxide by weight (wt). Calculate the weights or volume needed for each preparation.

Answer 1

Acetic acid 0.1 mol in 1 L

Ammonium molybdate 1mol in 1L

Ammonium chloride 2 moles in 1 kg

Ethyl alcohol 3mL in 100mL

Sodium hydroxide 5g in 100g