10cm^3 of co is mixed and sparked with 100cm^3 of air containing 21% of 2 atim of oxygen.if all the volumes are measured at STP. Calculate the volume of the resulting gases.
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Answer:
C) 105 cm3
Explanation:
21% of O2 in 100cm³ of Air = (21% ÷ 100%) × 100 = 21...
10cm³ of CO2 reacts with 5cm³ of O2...
10cm³ + 5cm³ = 10cm3...
From Gay luccas law of combining volume...
Residual gas = 21cm³ - 5cm³ = 16cm³
Therefore, resultant gases = 16 + (100 - 21) + 10 = 105cm³
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