How many liters of hydrogen gas are needed to react with cs2 to produce 3.2 liters of ch4 at stp?

Question

abb0t · Answer

It's absolutely crucial that you are able to write out a BALANCED chemical equation. You have: 
$$H_{2(g)} + CS_{2(l)} \rightarrow CH_{4(g)}+H_2S_{(g)}$$
I'll leave it to you to balance the equation. 

From the equation,
"n" mole H2 is equivalent to 1 mole CH4
22.4 L (at STP) of CH4 is produced from "n"x22.4 L of H2
Hence, _____ L of CH4 will be produced from "n" x ____ L = 1

Thats how you solve. in this case "n" represents mole (which you should be able to get after you balance the chemical equation I gave you).