Calculate the mass of the salt obtained by the interaction of sulfuric acid with potassium hydroxide weighing 2.8.

univerkov | November 26, 2020 | education

H2SO4 + 2 KOH = K2SO4 + 2 H2O
KOH to K2SO4 ratio 2: 1
determine the number of moles of KOH
Molar mass of alkali 56g / mol
n = 2.8 / 56 = 0.05 mol
Number of mol K2SO4 = 0.05 / 2 = 0.025 mol
Molar mass of K2SO4 174.25 g / mol
Mass of K2SO4 = 0.025 * 174.25 = 4.35 g

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