Question

8. If 0.2 mol of the following substances
are required how many grams of
those substances should be taken?
Sodium chloride, magnesium oxide,
calcium carbonate
​

Answer 1

Nacl= (23 +35.5 )x0.2=11.7g
MgO=(24+16)x0.2=8g
CaCO2:(40+12+16x2)x2=16.8g
Right answer pleases mark as brainlist.