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Author Question: ________ is the reducing agent in the reaction below. Cr2O72- + 6S2O32- + 14H+ 2Cr3+ + 3S4O62- + ... (Read 124 times)

olgavictoria

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on: Aug 27, 2018
________ is the reducing agent in the reaction below. Cr2O72- + 6S2O32- + 14H+  2Cr3+ + 3S4O62- + 7H2O
 
  A) Cr2O72-
  B) S2O32-
  C) H+
  D) Cr3+
  E) S4O62-

Question 2

What is the pH of an aqueous solution at 25.0 C that contains 3.98  10-9 M hydronium ion?
 
  A) 8.400
  B) 5.600
  C) 9.000
  D) 3.980
  E) 7.000


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medine

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


olgavictoria

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Reply 2 on: Aug 27, 2018
Gracias!

coreycathey

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Reply 3 on: Yesterday
Excellent

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