A) 25
B) 1
C) 5
D) 2500
Correct Answer: C
Solution :
\[\text{PPM}\,\text{=}\frac{\text{weight}\,\text{of}\,\text{solute}\,\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{6}}}}{\text{weight}\,\text{of}\,\text{solution}}\] \[=\frac{25\times {{10}^{-3}}\times {{10}^{-6}}}{5000}=5\]You need to login to perform this action.
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