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fe solution has an estimated concentration of 004 mgml calculate the concentration of fe um for 10 ml 7ml 5 ml 2 ml and
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40 ml of 0100 piperzine was titrated with 01 m hcl piperazine has pka1 533 and pka2 973 what is the ph values when 25
1 how many grams of nah2po4 would you dissolve in water to make a 05 m solution of 200 ml final volume2 what is the ph
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reaction 4ph3g --gt p4nbspg 6 h2nbspgover a specific time period 00048 mole of ph3nbspis consumed in a 20 l container
which of these chemical names is followed by an incorrect chemical formula explain what and the correct
the reaction between dinitrogen pentaoxide and water is a source of nitric acid in the atmosphere n2o5nbspg h2o g --gt
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at just above room temperature 27 oc the vapor pressure of benzene is 0523 atm and the vapor pressure of cyclohexane is
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you have a helium balloon that contains 120 grams of helium at 230degc it takes 1488 calories of heat to raise the
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magnetite is a mineral having the formula fe3o4 or feofe2o3 a 11324-gsample of a magnetite ore was dissolved in
soil sampling results indicated the area impacted with lead above action levels is 30 feet by 55 feet the depth of the
a large flask with a volume of 936 ml is evacuated and found to have a mass of 13466 g it is then filled to a pressure
through a series of tricky chemical reactions your instructor has you decompose both samples into the constituent