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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.

Aluminum phosphate - AlPO4

  18

  58.5

  76

  122

 
Hint      

2.

Potassium dichromate - K2Cr2O7

  101

  294

  34

  40

 
Hint      

3.

Calcium sulfate - CaSO4

  36.5

  122

  136

  40

 
Hint      

4.

Sulfur dioxide - SO2

  63

  294

  158

  64

 
Hint      

5.

Sulfuric acid - H2SO4

  76

  34

  98

  158

 
Hint      

6.

Potassium hydroxide - KOH

  98

  158

  44

  56

 
Hint      

7.

Ammonia - NH3

  40

  158

  145

  17

 
Hint      


 
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