Question

The reaction between 15 g of marble and nitric acid is given by the following equation:

\[\ce{CaCO3 + 2HNO3 -> Ca(NO3)2 + H2O + CO2}\]

Calculate the mass of anhydrous calcium nitrate formed.

Answer 1

100 g of CaCO₃ produces = 164 g of Ca(NO₃)₂

So, 15 g CaCO₃ will produce = `(164 xx15)/100` = 24.6 g