I really need help, please.
If a 50 mL sample from a water source contained .0000045 grams of copper, how many ppm would it contain?
How many grams of Copper (II) sulfate, or CuSO4 must be added to 245 mL of water to make a 1.00 M solution? The molar mass of CuSO4 is 159.6 g/mol.
Answers: 1
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