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OpenStudy (anonymous):
The mass of one atom of oxygen is given as 2.66x10^-23. The mass of one atom og hydrogen is given as 1.67x10^-24. A molecule of water contains two atoms of hydrogen and one atom of oxygen. Calculate the mass of the molecule of water?
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OpenStudy (anonymous):
first plus twice of second
OpenStudy (anonymous):
h20 means twise of hydrogen +oxygen
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