CaCO3(s) + 2HCl(aq) CaCl2(aq) + CO2(g) + H2O(l) Consider the above reaction, what mass of CaCl2 wil be formed if 250 mL of 0.76 M HCl react with 1000 g of CaCO3 ? (Given : Molar mass of Ca, C, O, H an

Question

CaCO3(s) + 2HCl(aq) CaCl2(aq) + CO2(g) + H2O(l) Consider the above reaction, what mass of CaCl2 wil be formed if 250 mL of 0.76 M HCl react with 1000 g of CaCO3 ? (Given : Molar mass of Ca, C, O, H and Cl are 40, 12, 16, 1 and 35.5 g mol–1, respectively)

(A) 10.545 g
(B) 3.908 g
(C) 2.636 g
(D) 5.272 g

Prashant Kotian · Accepted Answer

Correct answer: A. CaCO3 + 2HCl  CaCl2 + CO2 + H2O ni 0.19 (LR) nf 0.095  CaCl m produced = 0.095 × 111 = 10.545 g

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