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Alexxandr [17]
3 years ago
11

part of the SO2 that is introduced into the atmosphere by combustion of sulfur containing compounds ends up being converted to s

ulfuric acid, H2SO4. How many moles of H2SO4can be formed from 5.0 mol SO2., 4.0 mol O2 and 20.0 mol H2O?
Chemistry
1 answer:
alisha [4.7K]3 years ago
5 0

Answer:

5 mol.

Explanation:

Equation of the reaction

2SO2 + 2H2O + O2 --> 2H2SO4

By stoichiometry, 2 moles of SO2 reacted with 2 moles of water and 1 mole of O2 to give 2 mole of sulphuric acid.

Number of moles:

5.0 mol SO2

4.0 mol O2

20.0 mol H2O

Calculating the limiting reagent,

5 mol of SO2 * 1 mol of O2/2 mol of SO2

= 2.5 mol of O2(4 mol of O2 is present)

5 mol of SO2 * 2 mol of H2O/2 mol of SO2

= 5 mol of H2O(20 mol of H2O)

SO2 is the limiting reagent.

Therefore, number of moles of H2SO4 = 5 mol of SO2 * 2 mol of H2SO4/2 mol of SO2

= 5 mol of H2SO4.

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