# Chemistry

posted by .

CS2(g) + O2(g) CO2(g) + SO2(g)
(a) Consider the unbalanced equation above. What is the maximum mass of SO2 that can be produced when 46.0 g of CS2 and 29.0 g O2 react?
(b) Assume the reaction in part (a) goes to completion. Calculate the mass of excess reactant.

I figured out part a and got an answer of 38.7 but I'm not sure how to do the 2nd part. Please help!

• Chemistry -

If you did part a correctly, then you know which is the limiting reagent. To do part b, use the limiting reagent and the same kind of stoichiometry you used for part a to determine moles of the other reagent used, then subtract from the initial amount to determine the amount remaining un-reacted. Your answer of 38.7 doesn't help me any. It doesn't have any units (I assume grams) and it doesn't say 38.7 grams of WHAT.

• Chemistry -

It's 37.9 grams of SO2

## Similar Questions

1. ### Chemistry

Calculate the entropy of formation (J/K mol) of CS2(l). The value of T delta S^0 for the equation as written is -16.7774 KJ/mol. (the given standard entropies are: O2= 205.138, CO2= 213.7, SO2= 248.22) CS2(l) + 3 O2(g) --> CO2(g) …
2. ### chemistry

Identify the limiting reagent and the volume of product formed with 11L CS2 reacts with 18L O2 to prduce CO2 gas and SO2 gas. CS2+3O2-->CO2+2SO2
3. ### Chemistry

How many mL of an impure liquid CS2 mixture (density 1.26 gmL-1) which contains 93.0% of CS2 by mass, must be burned to obtain 12.8g SO2?
4. ### Chemistry...part 2

Regarding the question I posted earlier (How many mL of an impure liquid CS2 mixture (density 1.26 gmL-1) which contains 93.0% of CS2 by mass, must be burned to obtain 12.8g SO2?
5. ### chemistry

How do I figure this out? In the reaction CS2 + 3O2 → CO2 + 2SO2, when 160 g of CS2 and 195 g of O2 are reacted, the theoretical yield of SO2 is 260 g.
6. ### chemistry

How many moles of carbon are needed to react with 5.01 mol SO2?
7. ### Chemistry 3A

CS2 + O2 -> CO2 + SO2 and 10.0 grams of each reactant, calculate the number of moles of SO2 that can be produced in this reaction
8. ### chem

determine the mass (g) of SO2 that is produced byt the reaction of 15g of CS2 according to the following equation: CS2 + 3O2 = CO2 + 2SO2
9. ### Chemistry

C2H6(g) + O2(g) CO2(g) + H2O(g) (a) Consider the unbalanced equation above. What is the maximum mass of CO2 that can be produced when 21.0 g of C2H6 and 38.5 g O2 react?
10. ### Comlumbus

Used the following equation to answer the question below : 5C(s)+2SO2(g)=CS2(I)+4CO(q) A-) how many moles of carbon needed to produce 13g of CS2. B-) how many grams of SO2 are necessary to react with 3.45g of carbon. C-) how many liters …

More Similar Questions