10.00 grams of KH2PO4 (FW = 136.086 g/mol) are dissolved in 500 mL of deionized H2O....
10.00 grams of KH2PO4 (FW = 136.086 g/mol) are dissolved in 500 mL of deionized H2O. How many grams Na2HPO4 (FW = 141.96 g/mol) need to be dissolved to create a solution with a pH of 6.90? For H3PO4, pKa1 = 2.15 , pKa2 = 7.20, and pKa3 = 12.37.
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![According to Handersons equation. ph= pk + log [Mat Pou] [kth Pou pH = 7.20 + log n/90.98 1468 6.9 .7. 20t log - . 1468X70.9](http://img.homeworklib.com/questions/dde0fdd0-d85e-11eb-b87b-bb58e73ad18a.png?x-oss-process=image/resize,w_560)
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10.00 grams of KH2PO4 (FW = 136.086 g/mol) are dissolved in 500
mL of deionized H2O....
Calculate the pH of the solution resulting from the addition of 50 mL of 0.10 mol/L...
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A student dissolves 0.2062 g of caffeine (MW: 194.19 g/mol) into 50.00 mL of deionized water....
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H2O. Calculate the percentage of excess reactant
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You are instructed to create 400. mL of a 0.40 M
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Na2HPO4, and Na3PO4
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