Question

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===>>> Calculate the number of moles in 5.75 grams of sodium


( Atomic mass of sodium = 23 )


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@ Prabhu dutt.............

Answer 1

Hey friend, ☺ here is ur answer __________________________

As we know that ,
No. of moles = Given mass / Molar mass

Now, given mass = 5.75 g
molar mass = 23 g

Now, no. of moles = 5.75 / 23 = 0.25 moles.

Hope this helps u...

Answer 2

Hii...

Moles = given mass / molar mass

here given mass = 5.75 grams

so, mole = 5.75/23 = 0.25 moles or 1/4 moles

_____________________


hope this helps !