Answer to Question #58001 in Other Chemistry for Khaled
ν(HCl) = C(HCl)×V(HCl) = 0.025 L × 1N = 0.025 mol
Since sodium carbonate reacts with two molecules of HCl:
Na2CO3 + 2HCl → 2NaCl + H2CO3
The amount of sodium carbonate is ν(HCl)/2 or 0.025 mol/2 = 0.0125 mol.
The mass of Na2CO3 equals: m = ν(Na2CO3)×Mr(Na2CO3), where Mr – the molecular mass.
Hence, the mass is: m = 0.0125 mol × 106 g/mol = 1.325 g.
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