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The active ingredient in a zinc nutritional supplement is ZnSO4.7H₂0 (molar mass=287.58 g/mol). Ten zinc nutritional sup
Posted: Sun May 22, 2022 8:53 pm
by answerhappygod
- The Active Ingredient In A Zinc Nutritional Supplement Is Znso4 7h 0 Molar Mass 287 58 G Mol Ten Zinc Nutritional Sup 1 (19.81 KiB) Viewed 11 times
The active ingredient in a zinc nutritional supplement is ZnSO4.7H₂0 (molar mass=287.58 g/mol). Ten zinc nutritional supplement tablets containing a mix of the active ingredient and inactive filler were ground and mixed together thoroughly. The total mass of these 10 tablets was 10.980 g. A 2.414 g sample of the finely ground tablets was dissolved in an acidic solution. The solution was neutralized with ammonia and subsequently warmed in a water bath. Addition of (NH4)3PO4 to the solution resulted in the precipitation of ZnNH4PO4. The precipitate was filtered and dried, then ignited to produce 0.154 g of Zn2P207 (molar mass 304.76 g/mol). What is the mass percent of ZnSO4-7H20 in each tablet? OA 12.0% 08.24.0% OC, 0.00% OD.None of the avove