There is 60% magnesium and 40% oxygen by mass in a sample of Mgo. What is the mass of magnesium in a 70. 0 gram sample of Mgo?

asked May 13, 2023 60.1k views

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There is 60% magnesium and 40% oxygen by mass in a sample of Mgo. What is

the mass of magnesium in a 70. 0 gram sample of Mgo?

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MgO contains 60% out of 70 grams

Hence , 60/100 × 70 grams

= 42 grams

Beinghuman answered May 18, 2023

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