How many moles of KCIO3 are in 5 g of KClO3?

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asked Oct 6, 2023 210k views

10 votes

How many moles of KCIO3 are in 5 g of KClO3?

Chemistry
high-school

TrueY asked

by TrueY

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2 Answers

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1. Calculate the molar mass of KClO3: 39.098+ 35.453 + 3(16) = 122.551 g KClO3
2. 5gKClO3 x 1mol KClO3/ 122.551g KClO3 = 0.041mol of KClO3

Mili Shah answered Oct 8, 2023

by Mili Shah

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7 votes

Molar mass of KClO3

$\\ \tt\hookrightarrow 39+35+3(16)$

$\\ \tt\hookrightarrow 74+48$

$\\ \tt\hookrightarrow 122g/mol$

Now

$\\ \tt\hookrightarrow No\:of\:moles=(Given\:mass)/(Molar\:mass)$

$\\ \tt\hookrightarrow No\:of\:moles=(5)/(122)$

$\\ \tt\hookrightarrow No\:of\:moles=0.04mol$

Froilan answered Oct 12, 2023

by Froilan

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