The atomic mass of sodium is 23. The number of moles in 46 g of sodium – InterviewSolution

InterviewSolution

1.

The atomic mass of sodium is 23. The number of moles in 46 g of sodium is__(1) 1 (2) 2(3) 2.3(4) 4.6

Answer»

(1) 1

Explanation: mass=46gm ;MOLAR mass/atomic mass=23

1 mole=23amu

no. mole=mass/molar mass

no. mole=46gm/26amu

no. mole=2

∴ans→2mole CONTAIN 46gm of SODIUM

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