Given the equation 2CO + O2 --> 2CO2, how many grams of CO2 form if 34.0 grams of CO are combined with excess

Question

oxygen?

a) 53.4
b) 21.6
c) 145
d) 107

Please show steps too. thanks!!

Answer 1

a) 53.4
34gCO x 1mol CO/28gCO x 2molCO2/2molCO x44gCO2/1molCO2 = 53.4gCO2
The 2 moles CO cancel the 2 moles CO2 (from the balanced equation).

Answer 2

step 1: convert the grams of CO into moles.
step 2: find your mole ratio. For every 2 moles of CO, how many moles of CO2 do you make? In this case, they are equal. For example, if you have 2 moles of CO, then you will get out 2 moles of CO2. so just move on to step 3.
step 3: convert moles of CO2 into grams of CO2.

Answer 3

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Answer 4

your not gonna learn that way