How many atoms are there in 10.0 g of sodium?

10 gram of Sodium consists of 2.58 * 10^23 atoms.

Explanation:

As we know 1 mole of an element consists of 6.023* 10^23 atoms. We calculate how many moles of sodium are in 10 g.Atomic Weight of Sodium is 23g.1 mole of Sodium is equal to atomic weight of Sodium i.e. 23g.10g of Sodium is equal to 1/23*10 moles which is equal to 0.43 moles of Sodium.0.43 moles of Sodium consists of 6.023*10^23 * 0.43 atoms of Sodium which equals

Therefore, 10 gram of Sodium consists of 2.58 * 10^23 atoms.

The molecules contain like 54 of water