What weight of magnesium chloride must be weighed out

Reference no: EM13708736

Question- A solution, in which the magnesium concentratio is 50mg/L, is needed. The source of magnesium ions is magnesium chloride. If 1.5L of the solution is needed, what weight of magnesium chloride must be weighed out? (FW of Mg is 24.305g/mol , and MgCl2 is 95.211g/mol.)

Part B:

If 10.00mL of the above solution (50mg/L mg2+) is pipeted into a 100mL volumetric flask and diluted to the mark with DI water, and then 5ml of that solution is pipeted into a 250 ml volumetrick flask and diluted to the mark with DI water, what is the concentration of magnesium in the final solution in ppb?

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Reference no: EM13708736

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