Question

Sulphuric acid is the king of chemicals. If you need 5 moles of sulphuric acid for a reaction, how many grams of it will you weigh

Answer 1

490 grams

Answer: Explanation: To calculate the mass of 5 moles of sulfuric acid we take 5 (number of moles) and multiply it by the predetermined molar mass, 98 gmol^-. Mass = (5 mol)(98 gmol^-) = 490 grams.

Answer 2

Answer:

490 grams

Explanation:

1 mole.of H2SO4 weighs 98 grams.

2(1) + 32 + 4(16) = 98

Therefore, 5 moles of H2SO4 will weigh

5*98 = 490 grams