Asked by MJ
how many milliliters of 4 M h2so4 are needed to react completely with 23.7g of Bao2
Answers
Answered by
bobpursley
figure the moles of Ba(OH)2 (note formula) in 23.7grams
molesBa(OH)2= 23.7/formulamassBa(OH)2
I get about 0.14 moles
then consider the balanced equation:
Ba(OH)2 + H2SO4 >>> 2H2O + BaSO4
so you need the same amount of moles of sulfuric acid.
Molarityacid=molesacid/volumeinLiters
volumeacid=.14about/4=.045liters= about 45 ml
Your formula writing has to improve very quickly if you do not want to flunk. In chemsitry, there are great differences between capital letters and small letters.
molesBa(OH)2= 23.7/formulamassBa(OH)2
I get about 0.14 moles
then consider the balanced equation:
Ba(OH)2 + H2SO4 >>> 2H2O + BaSO4
so you need the same amount of moles of sulfuric acid.
Molarityacid=molesacid/volumeinLiters
volumeacid=.14about/4=.045liters= about 45 ml
Your formula writing has to improve very quickly if you do not want to flunk. In chemsitry, there are great differences between capital letters and small letters.
Answered by
DrBob222
Yes, heed Bob P's advice. CO means carbon monoxide, Co means cobalt, co is a abbreviation for company.
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