rorymccain87 rorymccain87
  • 21-02-2020
  • Chemistry
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A sample with molar mass of 34.00g/mol is found to consist of 5.9783% H and 94.0217% O. Find it’s molecular formula

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magalieisik magalieisik
  • 21-02-2020

Answer:

The formula is H202 (hydrogen peroxide, known as hydrogen peroxide)

Explanation:

100%----34g

5, 9783%---X= (5, 9783%x 34g)/100% =2 g

1g---1 atom of H

2g----x= 2g x 1 atom of H/1g = 2 atom of H

100%----34g

94, 0217%---X= (94,0217%x 34g)/100% =32 g

16g---1 atom of 0

32g----x= 32g x 1 atom of 0/16g = 2 atom of 0

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