Question

120 grams of urea is disolved 5liters. what is the active​

Answer 1

Answer:

0.4 litres per mole.

Explanation:

Molar mass of urea=60gm./mole

given mass=120gm.

water=5litre=5000mili litres

Molarity=120×1000/60×5000=2/5

=0.4mole per litre(answer)