Question

Calculate the moles of 46g sodium.

Answer 1

Answer:

2 moles

Explanation:

molar mass of sodium = 23g

23g = 1 mole of sodium

46g = x moles

23 × x = 46

x = 46/23

x=2 moles

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Answer 2

Explanation:

no of mole =known mass/molar mass

no of moles of Na=46/23

no of moles of Na =2 moles of Na