Question

When you mixed 20 grams of magnesium and an excess of nitric acid, 1.7 grams of hydrogen was actually produced. What is the percent yield of hydrogen during this reaction?
Mg + 2HNO3 Mg(NO3)2 + H2
3.3 %
48.5 %
25.7 %
102 %
98 %

Answer 1

i believe it is 48.5
 

Answer 2

B: 48.5% i also believe is correct