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43 votes
43 votes
What mass of HgO is required to produce 0.726 mol of O2?

2HgO → 2Hg + O2

A. 314g
B. 0.003g
C. 628.16g
D. 0.410g

User Msedi
by
2.6k points

1 Answer

20 votes
20 votes

Answer:

A

Step-by-step explanation:

2 mol HgO : 1 mol O2

1 mol HgO is 216.589 grams

2 mol HgO is 433.178 grams

433.178 grams HgO : 1 mol O2

(0.726) 433.178 grams HgO : (0.726) 1 mol O2

314.4 grams HgO : 0.726 mol O2

or just 314 grams

User Andrew Jens
by
3.2k points