11. A 12.0-g sample of HF is dissolved in water to give 3.1×102 mL of solution. The concentration of the solution is (A) 3.9 M (B) 3.7 M (C) 0.19 M (D) 1.9 M

12. Lead(II) nitrate reacts with sodium chloride in aqueous solution to form a precipitate. What is the net ionic equation for this reaction?(A) \( \text{Pb}^{2+}(aq) + 2\text{NO}_3^-(aq) \rightarrow \text{Pb}(\text{NO}_3)_2(s) \) (B) \( \text{Na}^+(aq) + \text{Cl}^-(aq) \rightarrow \text{NaCl}(s) \) (C) \( \text{Pb}^{2+}(aq) + 2\text{Cl}^-(aq) \rightarrow \text{PbCl}_2(s) \) (D) \( \text{Na}^+(aq) + \text{NO}_3^-(aq) \rightarrow \text{NaNO}_3(s) \)

11. A 12.0-g sample of HF is dissolved in water to give 3.1×10² mL of solution. The concentration of the solution is
(A) 3.9 M
(B) 3.7 M
(C) 0.19 M
(D) 1.9 M

相關試題

相關試卷

11. A 12.0-g sample of HF is dissolved in water to give 3.1×102 mL of solution. The concentration of the solution is(A) 3.9 M(B) 3.7 M(C) 0.19 M(D) 1.9 M

相關試題

相關試卷

11. A 12.0-g sample of HF is dissolved in water to give 3.1×10² mL of solution. The concentration of the solution is
(A) 3.9 M
(B) 3.7 M
(C) 0.19 M
(D) 1.9 M