What type of reaction is magnesium carbonate and hydrochloric acid

Asked by admin @ 02/08/2021 in Chemistry viewed by 268 People

Magnesium carbonate reacts with hydrochloric acid according to the equation:

MgCO3(s) + 2HCl(aq)  MgCl2(aq) + H2O(l) + CO2(g)
What mass of pure hydrochloric acid is needed to react with 4.2g of magnesium carbonate?

Answered by admin @ 02/08/2021

1 mole mgco3 require 2 mole HCl so 1mole mgco3 contain 84 grams so 84g react with 73 g HCl so 4.2 grams require 3.65 grams HCl

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