Posts filed under 'Limiting Reactant'

When I Get A Limiting Reactant And Excess Reactant How Do I Finalize The Problem And Find How Much Of The Exce

how much of the excess is actually used.

2 comments April 27th, 2009

Which Is The Excess Reactant And Which Is The Limiting Reactant?

2NO+O2——> 2NO2
please also explain the answer to why i really don’t understant on how to do this!! Thank you

3 comments April 27th, 2009

How Do You Find The Limiting Reactant In This Problem?

What reactant is limiting if 3000 cm3 of Cl2 at STP react with a solution containing 25.0 grams of NaBr? (Cl2 2NaBr = Br2 2NaCl)
I understand how to find the limiting reactant in most circumstances… but the “cm3″ are really throwing me off.

1 comment April 27th, 2009

Grams Obtained From Mixture And Non Limiting Reactant?

i have been trying to figure this problem out but i only have examples for 2 reactants. this is the equation for the problem.
4Ag + 2H2S + O2 —> 2Ag2S + 2H2O
how man grams of Ag2S could be obtained from a mixture of 29.00g Ag‚ 12.80g H2S and 11.600g O2? and how many grams of the non limiting reactants are left?
please show work so can study and grasp the concept.
thank you.

1 comment April 26th, 2009

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