Question- a certain weak base has a kb of 82010-7 what
Question- A certain weak base has a Kb of 8.20*10^-7. What concentration of this base will produce a pH of 10.21?
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question- if 350g of cuso4 are dissolved in 75 x 102 ml of 050 m nh3 solution what are the concentrations of cu 2
question- aluminum metal is formed by the electrolysis of ah03 in molten cryolite how many grams of alare produced when
question- note the electronic structure of cadmium ii and indicate the group type a borderline or type b in which it
question- a battery is constructed by placing copper and lead electrodes in contact with 10 molar cus04aq and pbn032 aq
question- a certain weak base has a kb of 82010-7 what concentration of this base will produce a ph of 1021be required
question- calculate the ph and the poh of an aqueous solution that is 0025 m in hcl aq and 0080 m in hbr aq at 25
question- how many milliliter of 139m naoh must be added to 250 x 102 ml of 012 m nah2po4 to make a buffer solution
question- a student mixes 500 ml of 100 m baoh2 with 786 ml of 0500 m h2so4 calculate the mass of baso4 formed
question- you need to prepare 1000ml of a ph400 buffer solution using 0100 m benzoic acid pka 420 and 0200 m sodium
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