126 g of nitric acid react with sodium carbonate. Calculate the mass of the salt formed and the volume of carbon dioxide emitted.

2HNO3 + Na2CO3 = 2NaNO3 + CO2 + H2O
n = m / M
n (HNO3) = 126g / 63g / mol = 2 mol
n (NaNO3) = n (HNO) = 2 mol
m (NaNO3) = M (NaNO3) * n (NaNO3) = 85 * 2 = 170g
n (CO2) = n (HNO3) / 2 = 1 mol
V (CO2) = Vm * n (CO2) = 22.4 * 1 = 22.4L



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