If the atomic mass of sodium (Na) is $23$ , the number of moles in $46$ gm of sodium is:

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2.3

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Solution

The correct option is B 2
Moles of Na $= \frac{m a s s}{a t o m i c m a s s} = \frac{46}{23} = 2.$

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If the atomic mass of sodium (Na) is 23, the number of moles in 46 gm of sodium is:

The correct option is B 2Moles of Na =massatomic mass=4623=2.

If the atomic mass of sodium (Na) is $23$ , the number of moles in $46$ gm of sodium is:

The correct option is B 2
Moles of Na $= \frac{m a s s}{a t o m i c m a s s} = \frac{46}{23} = 2.$