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a solution is prepared by dissolving 176g ammonium sulfatenh42so4 molar mass 13217gmol in enough water to make 1210ml
a brand x antacid tablet was analyzed by a student following the procedure used in this experiment the stdent dissolved
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a gas expands and does p-v work on the surroundings equal to 283 j at the same time it absorbs 216 j of heat from the
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for the reaction 2ch2og o2g 2hcoohl if 419 times 1022 molecules of formaldehyde ch2o react with excess oxygen what is
2khco3s k2co3s co2g h2ol how many moles of potassium carbonate will be produced if 311 g of potassium hydrogen
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