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Convert 7.50 mol of Li₂O to grams
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29 votes
29 votes
Convert 7.50 mol of Li₂O to grams

User Rog Matthews
by
3.0k points

1 Answer

17 votes
17 votes

Answer:

223.5 g

Step-by-step explanation:

The formula between the number of moles, mass and Mr can be used to convert moles to grams.

Number of moles = mass ÷ Mr

So, mass = number of moles × Mr

Mr of Li₂O = (6.9 × 2) + 16 = 29.8

∴ Mass = 7.5 × 29.8 = 223.5 g

User Channing
by
2.5k points
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