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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

  34

  63

  160

  122

 
Hint      

2.

Sodium chloride - NaCl

  17

  294

  132

  58.5

 
Hint      

3.

Sodium hydroxide - NaOH

  76

  136

  40

  160

 
Hint      

4.

Hydrochloric acid - HCl

  64

  36.5

  101

  17

 
Hint      

5.

Nitric acid - HNO3

  56

  98

  63

  58.5

 
Hint      

6.

Magnesium oxide - MgO

  100

  56

  40

  64

 
Hint      

7.

Zinc sulfite - ZnSO3

  145

  158

  17

  63

 
Hint      


 
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