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Chemistry Question on Mole concept and Molar Masses

The mass of CaCO3{CaCO_3} required to react completely with 20 mL of 1.0M HCl as per the reaction, CaCO3+2HCl−>CaCl2+CO2+H2O{CaCO_3 + 2HCl -> CaCl2 + CO_2 + H_2O} is (At. wt: Ca = 40, C = 12, O = 16).

A

1 g

B

2 g

C

10 g

D

20 g

Answer

1 g

Explanation

Solution

Answer (a) 1 g