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Acid-Base. Neutraliz
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Solution N3

How many mL of 2.00 M H2SO4 are required to neutralize 50.0 mL of 1.00 M KOH?

H2SO4 + 2KOH K2SO4 + 2H2O

0.0500 L x 1.00 mole KOH x 1 mole H2SO4 x

1 L 2 mole KOH

1 L x 1000 mL = 12.5 mL

2 mole KOH 1 L

Slide 11

1/26/2017

1/26/2017

Learning Check N4

A 25 mL sample of phosphoric acid is neutralized by 40. mL of 1.5 M NaOH. What is the molarity of the phosphoric acid solution?

3NaOH + H3PO4 Na3PO4 + 3H2O

1) 0.45 M 2) 0.80 M 3) 7.2 M

Slide 12

1/26/2017

1/26/2017

Solution S4

0.040 L x 1.5 mole NaOH x 1 mole H3PO4

1 L 3 mole NaOH

x 1 = 0.80 mol/L = 0.80 M

0.025 L

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