Question List for "General Chemistry: Principles and Modern Applications"

Pages: 1 ... 76 77 [78] 79 80 ... 192
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Chemistry » Determine the pH of the following aqueous solution. Initial concentrations are given. [HC2H3O2] = ... New
Started by mcmcdaniel
 217 Jul 8, 2021
Chemistry » Phenol red indicator changes from yellow to red in the pH range from 6.6 to 8.0. State what color ... New
Started by berenicecastro
 48 Jul 8, 2021
Chemistry » Calculate the pH of an aqueous solution that is 0.210 mol L-1 in nitrous acid (HNO2) and 0.290 mol ... New
Started by pane00
 61 Jul 8, 2021
Chemistry » In a solution prepared by mixing equal volumes of 0.20 M aqueous acetic acid and 0.20 M aqueous ... New
Started by storky111
 61 Jul 8, 2021
Chemistry » An aqueous solution of an unknown acid had a pH of 3.70. Titration of a 25.0 mL aliquot of the acid ... New
Started by RRMR
 45 Jul 8, 2021
Chemistry » If 25 mL of 0.20 M NaOH(aq) is added to 50 mL of 0.10 M aqueous HC2H3O2 (Ka = 1.8 10-5), what is the pH? New
Started by genevieve1028
 117 Jul 8, 2021
Chemistry » The following compounds are available as 0.10 M aqueous solutions: pyridine (pKb = 8.82), ... New
Started by acc299
 33 Jul 8, 2021
Chemistry » Formic acid (HCOOH, Ka = 1.8 10-4) is the principal component in the venom of stinging ants. What ... New
Started by nmorano1
 41 Jul 8, 2021
Chemistry » A pH 9.56 buffer was prepared by mixing 2.00 moles of ammonia (Kb for ammonia is 1.8 10-5) and 1.00 ... New
Started by dakota nelson
 107 Jul 8, 2021
Chemistry » An aqueous solution has [HC7H5O2] = 0.100 M and [Ca(C7H5O2)2] = 0.200 M. Ka = 6.3 10-5 for HC7H5O2. ... New
Started by stephzh
 24 Jul 8, 2021
Pages: 1 ... 76 77 [78] 79 80 ... 192