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Alex73 [517]
3 years ago
4

3.81 mol of CO2 at STP will occupy

Chemistry
1 answer:
yulyashka [42]3 years ago
5 0
22.4L. trust me. i am pretty sure
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Consider this reaction 2Mg(s)+O2(g) ———> 2MgO(s) What volume (in milliners) of gas is required to react with 4.03 g Mg at STP
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calculation/

  • calculate the moles of Mg used

     moles=mass/molar mass

moles of Mg is therefore=4.03 g/  24.3 g/mol=0.1658  moles

  • by use of mole ratio of Mg:O2  from  the equation  which is 2:1

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  • by cross multiplication
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