conservation of mass

conservation of mass

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Multiple Choice

by burning 11,2 gram iron we can get 14,4 g iron(II) oxide. Find how much oxygen is required for

the reaction. The mass of iron and oxygen together should be equal to the mass of iron oxide

after reaction

• 1,6 gram

• 3,2 gram

• 4,8 gram

• 6,4 gram

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