Chemistry

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An aqueous solution has [HC7H5O2] = 0.100 M and [Ca(C7H5O2)2] = 0.200 M. Ka = 6.3 10-5 for HC7H5O2. ... Started by stephzh	1 Replies 37 Views	Jul 8, 2021 by kristenb95
An aqueous solution containing equimolar amounts of a weak acid with Ka = 10-5 and its sodium salt has: Started by olgavictoria	1 Replies 59 Views	Jul 8, 2021 by SamMuagrove
A weak acid has Ka = 4.2 10-3. If [A-] = 2.0 M, what must [HA] be so that [H+] = 2.1 10-3 M? Started by nmorano1	1 Replies 48 Views	Jul 8, 2021 by maaaaaaaaaa
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 ... Started by dakota nelson	1 Replies 177 Views	Jul 8, 2021 by eliasc0401
A handbook states that to prepare a particular buffer solution mix 63.0 mL of 0.200 M aqueous ... Started by anshika	1 Replies 140 Views	Jul 8, 2021 by courtney_bruh
A buffer was prepared by adding 2.4 g of ammonium nitrate to 100.0 mL of 0.30 M aqueous ammonia (Kb ... Started by Anajune7	1 Replies 79 Views	Jul 8, 2021 by reversalruiz
A 25.0 mL sample of 0.150 mol L-1 aqueous hypochlorous acid is titrated with a 0.150 mol L-1 ... Started by fagboi	1 Replies 45 Views	Jul 8, 2021 by Sierray
A 25.0 mL sample of 0.150 mol L-1 aqueous hydrazoic acid is titrated with a 0.150 mol L-1 NaOH(aq) ... Started by tiffannnnyyyyyy	1 Replies 102 Views	Jul 8, 2021 by xiaomengxian
25 mL of 0.10 M aqueous acetic acid is titrated with 0.10 M NaOH(aq). What is the pH after 30 mL of ... Started by Brittanyd9008	1 Replies 87 Views	Jul 8, 2021 by epscape
25 mL of 0.10 M aqueous acetic acid is titrated with 0.10 M NaOH(aq). What is the pH after 15 mL of ... Started by bobypop	1 Replies 81 Views	Jul 8, 2021 by macmac
1.80 grams of an impure mixture containing sodium carbonate required 84.0 mL of 0.125 M H2SO4(aq) ... Started by tth	1 Replies 92 Views	Jul 8, 2021 by Jbrasil
The first ionization step is approximately 100% for H2SO3. Started by fahad	1 Replies 49 Views	Jul 8, 2021 by popopong
H2SO4 is a weaker acid than H2SO3. Started by sammy	1 Replies 86 Views	Jul 8, 2021 by heinisk01
Amine bases are known as strong bases. Started by luminitza	1 Replies 168 Views	Jul 8, 2021 by aruss1303
According to the Arrhenius theory, a neutralization reaction involves the combination of an acid ... Started by sammy	1 Replies 96 Views	Jul 8, 2021 by izzat
Which one of the following salts, when dissolved in water, produces the solution with the lowest pH? Started by acc299	1 Replies 167 Views	Jul 8, 2021 by TheDev123
Which one of the following salts, when dissolved in water, produces the solution with the highest pH? Started by jhjkgdfhk	1 Replies 143 Views	Jul 8, 2021 by lorealeza77
Which of the following statements concerning aqueous solutions of salts is FALSE? Started by CharlieWard	1 Replies 54 Views	Jul 8, 2021 by ally
Which of the following is a logical inference from the fact that a 0.10 M solution of potassium ... Started by Starlight	1 Replies 65 Views	Jul 8, 2021 by phuda
Which of the following are Brnsted-Lowry acids? I) CH3COOH II) [Cu(H2O)4]2+ III) H2O IV) CH3NH2 V) H3O+ Started by CharlieWard	1 Replies 82 Views	Jul 8, 2021 by bassamabas
Which Bronsted-Lowry acid is not considered to be a strong acid in water? Started by robinn137	1 Replies 84 Views	Jul 8, 2021 by 234sdffa
What would be the pH of a solution prepared by dissolving 14.4 g NaOH (MW = 40.0 g/mol) in enough ... Started by dakota nelson	1 Replies 102 Views	Jul 8, 2021 by mochi09
What is the pH of an aqueous solution labeled "0.50 M sodium fluoride" if the ionization constant of ... Started by wrbasek0	1 Replies 62 Views	Jul 8, 2021 by elizabethrperez
What is the pH of a solution prepared by dissolving 0.140 g of potassium hydroxide in sufficient ... Started by hubes95	1 Replies 79 Views	Jul 8, 2021 by akudia
What is the pH of a 0.563 M aqueous solution of ethylammonium bromide? Kb (ethylammonia) = 4.3 10-4 Started by brutforce	1 Replies 73 Views	Jul 8, 2021 by meryzewe