Asked by lill
what is the excess reactant of H2SO4+2NaOH->Na2SO4+2H2O
H2SO4: NaOH:
n=? n=?
c=0.025M c=0.030M
v=0.4L v=0.4
H2SO4: NaOH:
n=? n=?
c=0.025M c=0.030M
v=0.4L v=0.4
Answers
Answered by
DrBob222
This site doesn't handle spaces very well. I assume you mean 0.4 L of 0.025M H2SO4 with 0.4 L of 0.030M NaOH.
mols H2SO4 = M x L = approx 0.01
mols NaOH = M x L = approx 0.012
For 0.01 mols H2SO4 you need 0.02 mols NaOH and you don't have that much so NaOH must be the limiting regent. That makes H2SO4 the excess reagent.
mols H2SO4 = M x L = approx 0.01
mols NaOH = M x L = approx 0.012
For 0.01 mols H2SO4 you need 0.02 mols NaOH and you don't have that much so NaOH must be the limiting regent. That makes H2SO4 the excess reagent.
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