Question

Arrange s, p and d sub-shells of a shell in the increasing order of effective nuclear charge (Zeff) experienced by the electron present in them.

Answer 1

Answer:

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Explanation:

Calcium carbonate reacts with aqueous hydrochloric acid according to the reaction given below:

CaCO3 (s) +HCl (aq) -->CaCl2 (aq)+ H2O (l)+ CO2 (g)

What mass of calcium carbonate is required to react completely with 25 ml of 0.75 M HCl solution?