Asked by Mary
I seriously don't understand this...i cant even begin to think of what to do please help...
How many moles of Ba(OH)2 does it take to neutralize 2.5 moles of HNO3?
How many moles of Ba(OH)2 does it take to neutralize 2.5 moles of HNO3?
Answers
Answered by
DrBob222
First you write the equation, then balance it.
Ba(OH)2(aq) + 2HNO3(aq) ==> Ba(NO3)2)aq) + 2H2O(l)
Next you use the coefficients in the balanced equation (that's why you write and balance the equation FIRST) to convert mols HNO3 to mols Ba(OH)2.
2.5 mol HNO3 x [1 mol Ba(OH)2/2 mol HNO3] = 2.5 x (1/2) = ? mols Ba(OH)2
Ba(OH)2(aq) + 2HNO3(aq) ==> Ba(NO3)2)aq) + 2H2O(l)
Next you use the coefficients in the balanced equation (that's why you write and balance the equation FIRST) to convert mols HNO3 to mols Ba(OH)2.
2.5 mol HNO3 x [1 mol Ba(OH)2/2 mol HNO3] = 2.5 x (1/2) = ? mols Ba(OH)2
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