Question

expressed in
* The hardness of water in
ppm.
for example, the concentration of so, is found to be
loppm
of so, is present in 106
.
it means
that 10cm
of air,​

Answer 1

Answer:

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Explanation:

ANSWER

106 mL of water contains 200 g calcium carbonate.

103 mL of water contains 0.200 g calcium carbonate.

This corresponds to 1000.200=0.002 mol calcium carbonate.

Hence, the concentration of calcium carbonate is 0.002M.

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