Correct Answer: Option A

Explanation

Given:

Volume of solvent, V = 50cm\(^3\)

Molar mass, M = 342g

Mass of solute, m = 34.2g

Solubility = ?

Solubility = \(\frac{mass}{molar mass}\times\)\(\frac{1000}{Volume of solvent}\)

               = \(\frac{34.2}{342}\times\)\(\frac{1000}{50}\)

               = 2 moldm\(^{-3}\)

There is an explanation video available below.

• Does WAEC give Calculator to student for there exam? Answer this

  1 Answers   ·   Mathematics   ·   2 days ago
• 2(3)+2? Answer this

  1 Answers   ·   Mathematics   ·   2 days ago
• what does productivity of grass means and what are they? Answer this

  1 Answers   ·   Agricultural Science   ·   15 hours ago