A student is preparing for an experiment in which she will react potassium hydroxide with sulfuric acid according to the equation shown below.
2KOH(aq) + H2SO4(aq) → K2SO4(aq) + 2H2O(l)
She has 75 mL of sulfuric acid solution that contains 1.47 g of sulfuric acid. How many grams of potassium hydroxide does she need to react completely with the sulfuric acid?
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Ответ:
to make a balanced equation we need to write
Count the atoms of each element in the reactants and the products.
Use coefficients; place them in front of the compounds as needed.