Question

How many grams of CaCO3 are needed to react with 15.2g ofHCl in according to the following equation
oobleck
Assuming CaCO3 + 2HCl → CaCl2 + H2CO3
how many moles of HCl in 15.2g?
You will need 1/2 that many moles of CaCO3
How many grams is that?