Question

Apply the formula of constant proportion and find the mass of oxygen that will be needed for complete combustion of 5 grams of carbon.

Answer 1

Answer:

13g of oxygen

Explanation:

Carbon will burn with oxygen to form CO2

Now in this ,

C=12 and  O=16*2 = 32

It means that 12g of carbon will need 32g of oxygen to form CO2

so 1g of carbon will need=  32/12 =2.6  of oxygen

5g of carbon will need=

5*2.6 = 13 g of oxygen

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