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25-02-2022
Chemistry

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What is the number of moles of kf in a 29-gram sample of the compound.

Respuesta :

25-02-2022

Given

Weight of pottasium fluoride (KF) = 29 gms

To find

Number of moles of pottasium fluoride = ?

Solution

we know that molar mass of KF = 58.0967 g

Now,

[tex]number \: of \: moles = \ \\ \frac{given \: weight \: of \: subtance}{molar \: mass} [/tex]

Number of moles = 29/58 = 0.5 moles

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