A student has a 1g sample of each of the following compounds: NaCl, KBr, and KCL Which of the following lists the samples in order of increasing number of moles in the sample?

The increasing order of the moles in sample has been, KBr < KCl < NaCl.

The moles of sample have been defined as the mass of sample with respect to  molar mass. The moles of sample have been given by:

The molecular mass of the sample has been given by mwt.

The moles in 1 g mass of the following samples has been given by:

1 gram sample of NaCl has been 0.017  mol.

1 gram sample of KBr has been 0.008 mol.

1 gram sample of KCl has been 0.0.13 mol.

The increasing order of the moles in sample has been, KBr < KCl < NaCl.

For more information about moles in a sample, refer to the link:

link

Given :

A student has a 1 g sample of each of the following compounds: NaCl, KBr, and KCl.

To Find :

The samples in order of increasing number of moles in the sample.

Solution :

Molecular mass of NaCl, KBr, and KCl is 58.5 g/mol , 119 g/mol and

74.5 g/mol respectively .

Moles of NaCl , .

Moles of KBr , .

Moles of KCl , .

The order of moles in increasing order is :

KBr , KCl and NaCl .

Hence , this is the required solution .

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explanation: