Victoriacaldera71 Victoriacaldera71

03-12-2019
Chemistry

contestada

A 1.0 g sample of hydrogen reacts completely with 19.0 g of fluorine to form a compound of
hydrogen and fluorine. What is the percent composition by mass of hydrogen in this
compound?

Respuesta :

03-12-2019

Answer: hydrogen has 0.0504% and Fluorine has 0.950%

Explanation: H= 1.00794

F= 18.9984

1 X 1.00794+ 1 X 18.9984= 20.00778g/mol

H= 1.00794/20.00778= 0.0504%

F-18.9984/20.00778= 0.950%

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