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2 HNO3 (aq) +Ca(s) = Ca(NO3 )2 + H2 if 0.2849 g of Ca were added...

2 HNO3 (aq) +Ca(s) = Ca(NO3 )2 + H2

if 0.2849 g of Ca were added to 4.3 mL of a 2.00 M solution of HNO3, and 0.0026 g of H2 were obtained, what is the percent yield based on the limiting reagent?

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