Work out the innermost brackets first, in this case, the square brackets.
You will have to calculate n first, which is the number of moles of CO2 that you have. Remember: Mass/Relative molecular mass = Moles (for molecules)
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Jerry (Working, studying, writing and drawing :3)
It is easier to protect your feet with slippers than to cover the earth with carpet.
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If a problem can be solved, no need to worry about it. If it cannot be solved what is the use of worrying?
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