Holstine373 Holstine373
  • 05-05-2014
  • Chemistry
Answered

Unknown element X combines with oxygen to form the compound XO2. If 44.0 grams of element X combines with 8.00 grams of oxygen, what is the atomic mass of element X?
A. 16 amu
B. 44 amu
C. 88 amu
D. 176 amu
E. 352 amu



Answer :

Tonia Tonia
  • 05-05-2014
Oxygen has a Mr of 16 and half of 16 is 8 which is how many grams used. If 44 grams of X is used it must have an amu of 88. (Times 2)
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