(Answered) A vial containing 250 ml of 250m ammonium nitrate solution

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A vial containing 25.0 Ml of 2.50M ammonium nitrate solution is to be mixed with 500.0Ml of distilled water. What is the concentration of the resulting solution? (b) What volume of a 0.246M Calcium Phosphate solution is needed if it contained 74.69g of Calcium Phoshate? show method of calculation and formula used please round appropriate sig fig.

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