How much silver nitrate is required for impurity test in 100mL water?
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Dissolve 20 g in 100 mL of water in a 250 mL conical flask. The solution should be clear, and no significant amount of insoluble matter, such as minute fibers and/or other particles of any shape or color, should be observed. Reserve the solution for the test for substances not precipitated by hydrochloric acid.
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