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Snowcat [4.5K]
2 years ago
15

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

Chemistry
2 answers:
rosijanka [135]2 years ago
7 0
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
STatiana [176]2 years ago
6 0

Molar mass of KClO3

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

\\ \tt\hookrightarrow 74+48

\\ \tt\hookrightarrow 122g/mol

Now

\\ \tt\hookrightarrow No\:of\:moles=\dfrac{Given\:mass}{Molar\:mass}

\\ \tt\hookrightarrow No\:of\:moles=\dfrac{5}{122}

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

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