The number of atoms in 1 mole is 6 - 1023- Then the number of sodium ions in 19-5 gram of Sodium chloride will be-

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Standard IX

Chemistry

Atomic Mass and Atomic Mass Unit

The number of...

Question

The number of atoms in 1 mole is 6 ×10²³. Then the number of sodium ions in 19.5 gram of Sodium chloride will be?

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Solution

Since the molecular mass of NaCl is 58.4 g/mol,

19.5g = 19.5/58.5 mol.

=1/3 mol.

number of ions = (6/2)×10²³
= 3x10^23 ions

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The number of atoms in 1 mole is 6 ×1023. Then the number of sodium ions in 19.5 gram of Sodium chloride will be?

Since the molecular mass of NaCl is 58.4 g/mol, 19.5g = 19.5/58.5 mol. =1/3 mol. number of ions = (6/2)×1023 = 3x10^23 ions

The number of atoms in 1 mole is 6 ×10²³. Then the number of sodium ions in 19.5 gram of Sodium chloride will be?

Since the molecular mass of NaCl is 58.4 g/mol,

19.5g = 19.5/58.5 mol.

=1/3 mol.

number of ions = (6/2)×10²³
= 3x10^23 ions