Question

15)) If water has 380ppm hardness
then it has *
O a) 38 mg of Ca salts in 1 litre.
b) 380 mg of Ca salts in 1 litre
a
c) 380 mg of CaCo3 equivalents in 1
litre
d) 38 mg of CaCO3 equivalents in 1​

Answer 1

Answer:

a) 38 mg of ca salts in 1 litre

Step-by-step explanation:

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