Question

Determine the moles of solute particles in 1.0 kg of a 3.0 m Ca(NO3)2 solution.

Answer 1

3.0 mol.

Step-by-step explanation:

Molaity (m) is defined as the no. of moles of solute per kg of solvent.

m = (no. of moles of solute Ca(NO₃)₂)/(kg of solvent).

∴ no. of moles of solute Ca(NO₃)₂ = (m)(kg of solvent) = (3.0 m)(1.0 kg) = 3.0 mol.