Question

4
30.) Calcium carbonate reacts with HCl to give CaCl,
and Co, according to the reaction:
CaCO3(s) + 2HCl(aq) → CaCl (aq) + CO2(g) +
H2O(1) What mass of 20% impure Caco, is
required to react completely with 250 mL of 0.50
M HCI?
(1) 6.25 g
(2) 5g
(3) 4.75 g
(4) 7.8 g
​

Answer 1

Explanation:

2 ) 5 g

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