posted by Chopsticks .
2C2H2 + 5O2 --> 4CO2 + 2H20
How many grams of CO2 is produced when 2.50 x 10^4gC2H2 burns completely
2.50 x 10^4gC2H2 * 44.009gCO2/26.038gC2H2 = 4.23x10^4gCO2?
or am i wrong
you erred. You did not use the balanced equation coefficents.
2.50 x 10^4gC2H2 * 4*44.009gCO2/2*26.038gC2H2 = you do it.