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

Pages: 1 ... 74 75 [76] 77 78 ... 192
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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
 137 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
 86 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
 176 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
 37 Jul 8, 2021
Chemistry » The following compounds are available as 0.10 M aqueous solutions: pyridine (pKb = 8.82), ... New
Started by acc299
 55 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
 71 Jul 8, 2021
Chemistry » A buffer was prepared by adding 2.4 g of ammonium nitrate to 100.0 mL of 0.30 M aqueous ammonia (Kb ... New
Started by Anajune7
 77 Jul 8, 2021
Chemistry » Sodium hypochlorite, NaOCl, is the active ingredient in household bleach. What is the concentration ... New
Started by cabate
 78 Jul 8, 2021
Chemistry » For the following titration, determine whether the solution at the equivalence point is acidic, ... New
Started by sc00by25
 45 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 iveyjurea
 35 Jul 8, 2021
Pages: 1 ... 74 75 [76] 77 78 ... 192