Calculate the mass of 3 mol of sulfuric acid.

n – nu (amount of substance).
n = 3 mol.
m = n × Mr.
Mr (H2SO4) = 1 × 2 + 32 + 16 × 4 = 98g / mol.
m (H2SO4) = 3 mol × 98 g / mol = 294 g.
Answer: 294g



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