In a rocket motor fuelled with Heptane (...

In a rocket motor fuelled with Heptane `(C_(7)H_(16))` How many kg of liquid oxygen should be provided with each kg of heptane sample (which is `50%` pure) for its complete combustion :-

`0.88 kg`

`0.52 kg`

`1.76kg`

`2.64 kg`

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