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Chemistry : Molecular Weights of Chemical Compounds


What is the molecular weight of each chemical compound whose formula is given below?
Given Atomic Weights:
H = 1 ; C = 12 ; N = 14 ; O = 16 ; Na = 23 ; Mg = 24 ; Al = 27 ;  P = 31 ; S = 32 ;
Cl = 35.5 ; K = 39 ; Ca = 40; Cr = 52; Mn = 55 ; Fe = 56 ; Cu = 63.5 ; Zn = 65 

Formats Info Page Quiz Review

Your Performance  

1.

Sulfuric acid - H2SO4

  98

  56

  18

  44

 
Hint      

2.

Carbon dioxide - CO2

  63

  17

  44

  36.5

 
Hint      

3.

Sodium hydroxide - NaOH

  36.5

  56

  100

  40

 
Hint      

4.

Potassium nitrate - KNO3

  63

  36.5

  101

  56

 
Hint      

5.

Ammonia - NH3

  58.5

  44

  17

  36.5

 
Hint      

6.

Ammonium sulfate - (NH4)2SO4

  17

  132

  40

  56

 
Hint      

7.

Calcium carbonate - CaCO3

  56

  100

  58.5

  132

 
Hint      

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