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Question

How many grams of CO2 gas is dissolved in a 1 litre bottle of carbonated water if the manufacturer uses a pressure of 2.4 atmosphere in the bottling process at 25oC?( given KH of CO2 water =9.6atm/mol/l at 25oC)

A
0.25
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B
0.27
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C
11
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D
12
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Solution

The correct option is C 11

Henry’s Law states that, P=KHS

P is the pressure in atm

KH is the Henry’s law constant,

S is the solubility in moles per litre

Putting all the values in equation;

2.4=9.6×S

S=0.25 mol/lit

Mass of CO2 dissolved =0.25×44=11g

Hence option C is correct.


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