Explain what is the concentration of cu in mg/l

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Question- 35mg CuSO4.5H2O (FW: 249.68) dissolved into 100mL of H2O. What is the concentration of Cu in mg/L?

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Explain what is the concentration of cu in mg/l : 35mg CuSO4.5H2O (FW: 249.68) dissolved into 100mL of H2O. What is the concentration of Cu in mg/L
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