Chemistry, 28.01.2021 20:50 emmahall0826
Calculate the concentration of hydrogen ions in a healthy person’s blood that has a pH of 6.40.
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Which particles make up the nucleus of an atom? a. protons and electrons b. neutrons and electrons c. protons only d. protons and neutrons e. neutrons only
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How many molecules of co are produced when 2.73 moles of hpo3 react? 4hpo3 + 12c > 2h2 + 12co + p4
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c. a. 3.08 kj b. 0.736 kj c. 4.41 kj d. 3.08 × 103 kj
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A0.680 m ca(oh)2 solution was prepared by dissolving 55.0 grams of ca(oh)2 in enough water. what is the total volume of the solution formed?
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Calculate the concentration of hydrogen ions in a healthy person’s blood that has a pH of 6.40....
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