With What Volume of 2 $\rightarrow$ CaF₂ + 2H₂O?
A) 1

With what volume of 2.5 M HF will 6.4 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH) ₂ $\rightarrow$ CaF₂ + 2H₂O?

A) 1.6*10¹ mL
B) 2.6 * 10¹ mL
C) 1.6 *10² mL
D) 6.9 *10¹ mL
E) 3.5 * 10¹ mL