The molar mass of HgO is 216.59 g/mol. The molar mass of O2 is 32.00 g/mol. How many moles of HgO are needed to produce 250.0 g of O2?

Question

Chemistry

Shepherd

13 April, 19:53

The molar mass of HgO is 216.59 g/mol. The molar mass of O2 is 32.00 g/mol. How many moles of HgO are needed to produce 250.0 g of O2?

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Answers (1)

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Julia Reyes · Answer 1

Given:

Molar mass HgO is 216.59 g/mol

molar mass of O2 is 32.00 g/mol

250.0 g of O2

Required:

Moles of HgO

Solution:

Balanced equation is:

2HgO → 2Hg + O2

250g O2 (1 mole O2/32.00 g/mol O2) (2 moles HgO/1 mol O2) = 15.63 moles HgO