Search SchoolNGR

Friday, 03 April 2026
Register . Login

16.55g of lead (ll) trioxonitrate (V) was dissolved in 100g of distilled water at 20oC, ...

16.55g of lead (ll) trioxonitrate (V) was dissolved in 100g of distilled water at 20oC, calculate the solubility of the solute in moldm-3
[Pb = 207, N = 14, O = 16]
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 0.05 g
  • B 2.00 g
  • C 1.00 g
  • D 0.50g
Correct Answer: Option D
Explanation:
molar mass of pb (N0 3) 2 = 331
Mole = \(\frac{16.55}{331}\)= 0.05 mole
∴0.05mole pb (No3)2 dissolved in 1000g H2O x = \(\frac{0.05\times1000}{100}\)= 0.5 mole /dm 3

Share question on: