A student intended to prepare 1000 mL of a 10 ppm solution of K^ +...

A student intended to prepare 1000 mL of a 10 ppm solution of

\mathrm{K}^{+}

from

\mathrm{KCl} . \mathrm{He}

made appropriate calculations, weighed the salt accordingly and prepared the solution. However, after making the solution, he realized that the salt he used was

\mathrm{KNO}_3

and not KCl . The concentration of

\mathrm{K}^{+}(\mathrm{ppm})

in this prepared solution is

Options

A $7.37$
B $10.00$
C $13.55$
D $3.86$

Correct answer

A. $7.37$

Step-by-step solution

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