04/13/19

concentration of Sn2+?

A sample of pure tin metal is dissolved in nitric acid to produce 15.00 mL of solution containing Sn2+.  When this tin solution is titrated, a total of 42.1 mL of 0.145 mol/L KMnO4is required to... more
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04/13/19

what is the answer?
I.                  Mono-ammonium phosphate (NH4H2PO4), a fertilizer, can be prepared by the action of sulfuric acid on a mixture of calcium phosphate and ammonium sulfate.  It should be... more
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