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calcium in powdered milk is determined by ashing a 1.50g sample and then titrating the calcium...

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Chemistry

calcium in powdered milk is determined by ashing a 1.50g sampleand then titrating the calcium with EDTA soluton, 12.1mL beingrequired. The EDTA was standardized by titrating 10.0mL of a zincsolution prepared by dissolving 0.632g zinc metal in acid anddiluting to 1L (10.8mL EDTA required for titration). What is theconcentration of calcium in the powdered milk in parts permillion?

Answer & Explanation Solved by verified expert
4.4 Ratings (538 Votes)
Solution Moles of zinc 0632 g 6538 g per mol 000967 mol Moles of zinc reacted 000967 mol 0010 L 1 L 967105 mol    See Answer
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