Answer:
242.4 g
Explanation:
RAM of KNO3=39+14+(16×3)=101
Mass=morality×RAM
101*2.4=242.4
the products are:
CaCO3 Calcium Carbonate
CO2 carbon dioxide
NaCI Sodium chloride
H2O Water
Explanation:143
what i meant was thank you for the points but it is 143
D. Valance Electrons