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Author Question: The pH of natural rainwater is 5.6 due to the carbon dioxide in the atmosphere. Indicate whether ... (Read 74 times)

kaid0807

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on: Aug 27, 2018
The pH of natural rainwater is 5.6 due to the carbon dioxide in the atmosphere.
 
  Indicate whether the statement is true or false

Question 2

What is the mass percent of Sn in tin (IV) oxide?
 
  A) 26.96
  B) 64.97
  C) 78.77
  D) 93.69
  E) 96.73


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yuyiding

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

TRUE

Answer to Question 2

C


kaid0807

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Reply 2 on: Aug 27, 2018
Gracias!

adf223

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Reply 3 on: Yesterday
Wow, this really help

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