20cm3 of CO are mixed and sparked with 200cm3 of air containing 21% oxygen. What is the total volume of the resulting gases if all volumes are measured at S.T.P.?
Answers
Answered by
6
Answer:
1st you get the volume of oxygen
21*200/100 =42cm^3
den get d volume of nitrogen and other gases that did not take part in d reaction
200-42 =158cm^3
then write d equation for d reaction
2CO+O2>2CO2 den d ratio as you can see
2. 1. 2.
20. 42.
0. 10. 20
the 0 means that all it volume has ben used up but only 10 cm^3 of O2 was used so we find d volume that did not react
l.e out of 42 only 10 was used up because of d molar ratio .
42-10=32 .
volume of d resulting gas = volume that did not take part in d reaction with oxygen+ unreacted volume of O2+ volume of d product
Explanation:
Hope it's help you please make me as a brainlist
Similar questions