Question

How many moles are present in 4 g of sodium?​

Answer 1

Answer:

there are 1/6 moles of Na(sodium Or natrium) in 4 grams

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Answer 2

Formula: n = M/m

Molar mass of sodium = 23 g mol^-1

Given mass = 4 g

∴ n = 4 g ÷ 23 g mol^-1

⇒ n = 0.173 mol.

So, in a sample of 4g Na, 0.17 mol of Na is present.