Chemistry

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Calculate the pH at the equivalence point for the titration of 1.0 M ethylamine, C2H5NH2, by 1.0 M ... Started by Davideckstein7	1 Replies 103 Views	Mar 21, 2021 by GCabra
Assume an indicator works best when the equivalence point of a titration comes in the middle of the ... Started by james	1 Replies 67 Views	Mar 21, 2021 by al
A weak acid, HF, is in solution with dissolved sodium fluoride, NaF. If HCl is added, which ion will ... Started by krzymel	1 Replies 90 Views	Mar 21, 2021 by wtf444
A titration of 200.0 mL of 1.00 M H2A was done with 1.37 M NaOH. For the diprotic acid H2A, Ka1 = ... Started by jerry coleman	1 Replies 68 Views	Mar 21, 2021 by lolol
A student titrates an unknown weak acid, HA, to a pale pink phenolphthalein endpoint with 25.0 mL of ... Started by jc611	1 Replies 115 Views	Mar 21, 2021 by mistyjohnson
A solution of hydrochloric acid of unknown concentration was titrated with 0.10 M NaOH. If a 100.-mL ... Started by jenna1	1 Replies 76 Views	Mar 21, 2021 by Jbrasil
A solution contains 10. mmol of H3PO4 and 5.0 mmol of NaH2PO4. How many milliliters of 0.10 M NaOH ... Started by haleyc112	1 Replies 143 Views	Mar 21, 2021 by trampas
A solution contains 0.250 M HA (Ka = 1.0 106) and 0.45 M NaA. What is the pH after 0.29 mole of HCl ... Started by dejastew	1 Replies 75 Views	Mar 21, 2021 by Madisongo23
A solution containing 10. mmol of and 5.0 mmol of is titrated with 1.1 M HCl. What volume of HCl ... Started by D2AR0N	1 Replies 67 Views	Mar 21, 2021 by 6ana001
A 50.00-mL solution of 0.0680 M trimethylamine (Kb = 6.5 105) is titrated with a 0.0153 M solution ... Started by aabwk4	1 Replies 75 Views	Mar 21, 2021 by lou
A 50.00-mL solution of 0.0350 M piperidine (Kb = 1.3 103) is titrated with a 0.0171 M solution of ... Started by sdfghj	1 Replies 59 Views	Mar 21, 2021 by nmyers
A 50.00-mL sample of a 1.00 M solution of the diprotic acid H2A (Ka1 = 1.0 106 and Ka2 = 1.0 1010) ... Started by amal	1 Replies 62 Views	Mar 21, 2021 by vish98
A 50.0-mL sample of a 1.50 M NaOH solution is titrated with a 3.40 M HCl solution. What will be the ... Started by londonang	1 Replies 162 Views	Mar 21, 2021 by Juro
A 25.00-mL sample of propanoic acid, CH3CH2COOH, of unknown concentration was titrated with 0.101 M ... Started by bobthebuilder	1 Replies 90 Views	Mar 21, 2021 by parker125
A 2.19-g sample of an acid, H2X, requires 45.0 mL of a 0.500 M NaOH solution for complete reaction ... Started by Awilson837	1 Replies 59 Views	Mar 21, 2021 by jaaaaaaa
A 100.0-mL sample of 0.583 M H2A (diprotic acid) is titrated with 0.200 M NaOH. After 125.0 mL of ... Started by SGallaher96	1 Replies 99 Views	Mar 21, 2021 by isabelt_18
A 100.-mL sample of a 0.10 M solution of H3PO4 is titrated with 0.20 M NaOH. What volume of base ... Started by maegan_martin	1 Replies 122 Views	Mar 21, 2021 by IRincones
15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.379 M NH3 (Kb for NH3 = 1.8 105). What is ... Started by dejastew	1 Replies 197 Views	Mar 21, 2021 by Carliemb17
What ratio of [A-]/[HA] results in the most effective buffer? Started by Deast7027	1 Replies 84 Views	Mar 21, 2021 by peilian
What is the pH of a buffer solution containing 0.35 M HCN (Ka 6.2 10-10) and 0.28 M NaCN? Started by bobbie	1 Replies 66 Views	Mar 21, 2021 by olderstudent
What is the chemical formula of a potassium salt that, when added, will result in an increase in the ... Started by michelleunicorn	1 Replies 71 Views	Mar 21, 2021 by Awesome
NaCN is added to a dilute solution of HCN. What will happen to the pH of the solution and why? Started by ashley	1 Replies 85 Views	Mar 21, 2021 by irishcancer18
A 25.00 mL HCl solution is titrated with 18.95 mL of 0.200 M NaOH. What is the pH at the equivalence point? Started by jjjetplane	1 Replies 82 Views	Mar 21, 2021 by duke02
A 20.00 mL solution of 0.250 M HF solution is titrated with 0.200 M NaOH. What is the pH at the ... Started by ap345	1 Replies 61 Views	Mar 21, 2021 by BUTTHOL369
A 20.00 mL solution of 0.250 M HF solution is titrated with 0.200 M NaOH. What is the pH after 5.0 ... Started by penguins	1 Replies 63 Views	Mar 21, 2021 by ghepp