of a carbonate () on treatment with excess HCl produces of . The molar mass of is . (Nearest integer)

Question

of a carbonate () on treatment with excess HCl produces  of . The molar mass of  is  . (Nearest integer)

Canvas Classes · Accepted Answer

Strategy:
 From the balanced reaction with , 1 mole of group 1 carbonate () yields 1 mole of . Equating the moles of the salt to the moles of the gas allows us to find the molar mass.

Step 1: Identify stoichiometric ratio

1 mole  mole .

Step 2: Calculate molar mass

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