If 112 L of HCl Gas at STP Is Dissolved in in 75.0

Multiple Choice

If 1.12 L of HCl gas at STP is dissolved in 75.0 mL of aqueous solution,what is the number of hydrogen chloride molecules dissolved in solution?

A) 2.39 x 1022 molecules
B) 3.01 x 1022 molecules
C) 4.17 x 1023 molecules
D) 1.20 x 1025 molecules
E) 1.51 x 1025 molecules