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Author Question: The compound H2CO3 is called ________. A) carbonic acid B) carbonous acid C) carbonium acid D) ... (Read 138 times)

D2AR0N

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on: Aug 27, 2018
The compound H2CO3 is called ________.
 
  A) carbonic acid
  B) carbonous acid
  C) carbonium acid
  D) bicarbonic acid

Question 2

The mole fraction of argon in dry air near sea level is 1.818  10-5 where the molar mass of argon is 39.948. The concentration of argon in the atmosphere is ________ ppm.
 
  A) 1.07  108
  B) 0.934
  C) 9.34  106
  D) 18.18
  E) 9.34  10-9


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isabelt_18

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

A

Answer to Question 2

D


D2AR0N

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Reply 2 on: Aug 27, 2018
:D TYSM

nguyenhoanhat

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Reply 3 on: Yesterday
Gracias!

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