42. Solution to Chemistry Problem

42. Solution to Chemistry Problem

5. Using the data in Table 2, calculate the sample weight (approximate percentage of the substance being determined is given in brackets) required to obtain a certain amount of the gravimetric form.
Table 2.

Task No. Sample being studied Substance being determined Weight form
Formula Approximate content, % Formula Weight, g
1 2 3 4 5 6
5 MnCl2 MnCl2 20 AgCl 0.4

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