25. 00 ml of a buffer solution contains 0. 500 m hclo and 0. 380 m naclo. if 50. 00 ml of water is added to the buffer, what are the new concentrations of hclo and naclo?

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smecloudbird18 smecloudbird18 · Answer 1 · 2022-08-06T08:35:31+02:00

The new concentrations of [tex]HClO[/tex] and [tex]NaClO[/tex] are 0.25M and 19M

Calculation of number of moles of each component,

Molarity of [tex]HClO[/tex] = number of moles/volume in lit = 0. 500 M

Number of moles = molarity of [tex]HClO[/tex]× volume in lit = 0. 500 M× 0.025 L

Number of moles of [tex]HClO[/tex] = 0.0125 mole

Molarity of [tex]NaClO[/tex] = number of moles/volume in lit = 0. 38 M

Number of moles = molarity of [tex]NaClO[/tex] × volume in lit = 0. 38 M× 0.025 L

Number of moles of [tex]NaClO[/tex] = 0.95 mole

Calculation of new concentration at volume 50 ml ( 0.05L)

Molarity of [tex]HClO[/tex] = number of moles/volume in lit = 0.0125 mole/0.05L

Molarity of [tex]HClO[/tex] = 0.25M

Molarity of [tex]NaClO[/tex] = number of moles/volume in lit = 0.95mole/0.05L

Molarity of [tex]NaClO[/tex] = 19 M

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