Question

24g of carbon reacts with some oxygen to make 88g of carbon dioxide. Find out how much oxygen must have bee used?

Answer 1

Answer:

64 g

Explanation:

32 g O2 makes 44 g CO2. So 64 g makes 88 g CO2

Answer 2

Answer:

carbon dioxide has 2 oxygen atoms and 1carbon atom

Carbon has mass of 12 g

oxygen molecule has mass of 32g

To get 88g of carbon dioxide, 64 grams(2moles of oxygen molecule)of oxygen is used

answer=64g of oxygen is used

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