Chemical Combination and Cchemical Equations

The equation AgNO3(aq) + NaCl(aq)------------------------> AgCl(s) + NaNO3(aq) represents? The molecular mass of CO2 is? The formula of acetate is? The empirical formula of benzene and acetylene is same and that is? NO2-1is the formula of? 28 grams of carbon monoxide contains? The molar mass of ammonia?