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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?

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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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
User Alexey Kalmykov
by
7.9k points

1 Answer

1 vote

MgO contains 60% out of 70 grams

Hence , 60/100 × 70 grams

= 42 grams

There is 60% magnesium and 40% oxygen by mass in a sample of Mgo. What is the mass-example-1
answered
User Beinghuman
by
8.0k points
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