At STP how many grams of Mg are required to produce 35 mL of H2 in the reaction shown below? Mg(s) + 2 HCl(aq) H2(g) + MgCl2(aq)
A) 0.035 g
B) 0.038 g
C) 26 g
D) 29 g
Question 2
The volume of 1.26 mol of gas at 69.4 kPa and 25.30 C is ________ L.
A) 45.1
B) 633
C) 3.82
D) 0.445
E) 0.439