Consider the reaction NaBr(aq) + H₂SO₄(aq) NaHSO₄(aq) + HBr(aq). The equilibrium constant is 8.3 × 10 –2. If the equilibrium concentrations of NaBr, H₂SO₄ and NaHSO₄ are 6.0 M, 9.0 M and 3.0 M respectively, what is the molarity of HBr ?
A.1.8 × 10
B.6.7 × 10
C.1.5 × 10✓ Correct
D.3.6 × 10
Explanation
2 4 4 2 2 NaBr aq H SO aq NaHSO aq HBr aq At Eq 6.0M 9.0M 3.0M M 3 K 8.3 10 6 9 8.3 54 10 1.5 3 x x x x x x x x