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Author Question: Which nonmetal exists as a diatomic solid? A) bromine B) antimony C) phosphorus D) iodine E) ... (Read 75 times)

ENagel

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on: Aug 27, 2018
Which nonmetal exists as a diatomic solid?
 
  A) bromine
  B) antimony
  C) phosphorus
  D) iodine
  E) boron

Question 2

Calculate the pH of a solution that is 0.278 M in sodium formate (NaHCO2 ) and 0.222 M in formic acid (HCO2H). The Ka of formic acid is 1.77  10-4.
 
  A) 3.843
  B) 3.647
  C) 13.90
  D) 10.16
  E) 4.954


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brittrenee

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

D

Answer to Question 2

A


ENagel

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

raili21

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Reply 3 on: Yesterday
Wow, this really help

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