elenemildiani elenemildiani

14-03-2022
Chemistry

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An analysis showed there is 0.010 mol KOH in a 10. kg sample of water. What is the concentration of KOH in ppm?
___ppm

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zlskfrum zlskfrum

14-03-2022

Answer:

56.1 ppm

Explanation:

Molar mass of KOH is 56.1g

Mass of 0.01 mole of KOH = 0.561g

Mass of water = 10kg = 10000g

Concentration of KOH in ppm = 0.561 / 10000 * 1000000

= 56.1 ppm

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Аноним Аноним

15-03-2022

Moles of KOH=0.01mol

Mass of KOH=0.001(56.1)=0.561g

Concentration of KOH:-

[tex]\\ \rm\Rrightarrow 0.561/10=0.561nm[/tex]

[tex]\\ \rm\Rrightarrow 56.1ppm[/tex]

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