Answer:
4800
Explanation:
using my Cal ex to solve the question
calculation goes like this
2*300*8=4800
Answer : C
Reason : The product is MgO which is Magnesium Oxide + CO2 which is carbon dioxide because of the 2
Looking at it another way, each ml has a mass of 0.7899 g, so how many mls will it take to get 31.8 g?
(x ml)(0.7899 g/ml) = 31.8 g
x = 31.8 g/0.7899 g/ml = 40.3 ml