a water sample is found to have a cl- content of 100ppm as nacl what is the concentration of chloride in moles per liter

The concentration of chloride ion is

Explanation:

We know that 1 ppm is equal to 1 mg/L.

So, the content 100 ppm suggests the presence of 100 mg of in 1 L of solution.

The molar mass of is equal to the molar mass of Cl atom as the mass of the excess electron in is negligible as compared to the mass of Cl atom.

So, the molar mass of is 35.453 g/mol.

Number of moles = (Mass)/(Molar mass)

Hence, the number of moles (N) of present in 100 mg (0.100 g) of is calculated as shown below:

So, there is of present in 1 L of solution.

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