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What is the molarity of a solution of nitric acid if 0.216 g of barium hydroxide is required to neutralize 20.00 mL of nitric acid?

Question
  • What is the molarity of a solution of nitric acid if 0.216 g of barium hydroxide is required to neutralize 20.00 mL of nitric acid?
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Step 1

The balanced neutralization reaction between barium hydroxide and nitric acid is given below.

2HNO, (aq) + Ba(Oн), (s) > Ва(NO,), (аq) + 2H,0(1)
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2HNO, (aq) + Ba(Oн), (s) > Ва(NO,), (аq) + 2H,0(1)

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Step 2

Molar mass of barium hydroxide is 171.34 g/mol. From the above equation, it can be stated that for neut...

0.216g
Molarmass 171.34g/mol
mass
0.00126 mol
Actual moles of barium oxide
Hence, the number of moles of nitric acid = 2 x0.00126mol=0.00252 mol
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0.216g Molarmass 171.34g/mol mass 0.00126 mol Actual moles of barium oxide Hence, the number of moles of nitric acid = 2 x0.00126mol=0.00252 mol

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