Compound a is an organic compound which contains carbon, hydrogen and oxygen. when 0.240g of the vapour of a is slowly passed over a large quantity of heated copper (ii) oxide, cuo, the compound a is completely oxidized to carbon dioxide and water. copper is the only other product of the reaction. the products are collected and it is found that 0.352g of co2 and 0.144g of h2o are formed. questions : 1) calculate the mass of carbon present in 0.352g of co22) use this value to calculate the amount in moles of carbon atoms present in 0.240g of a

(a)   In this section, give your answers to three decimal places.

(i)

Calculate the mass of carbon present in 0.352 g of CO

2

.

Use this value to calculate the amount, in moles, of carbon atoms present in 0.240 g

of

A

.

(ii)

Calculate the mass of hydrogen present in 0.144 g of H

2

O.

Use this value to calculate the amount, in moles, of hydrogen atoms present in 0.240 g

of

A

.

(iii)

Use your answers to calculate the mass of oxygen present in 0.240 g of

A

Use this value to calculate the amount, in moles, of oxygen atoms present in 0.240 g

of

A

(b)

Use your answers to

(a)

to calculate the empirical formula of

A

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it would be d. henry moseley

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i'm pretty sure it is letter c.) car