Question

what is weight of one molecule of water in gram?​

Answer 1

Answer:

The molar mass of water is 18.015 g/mol. This was calculated by multiplying the atomic weight of hydrogen (1.008) by two and adding the result to the weight for one oxygen (15.999). Please remember that you need the molar mass first when trying to find the average mass of one molecule.

Explanation:

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Answer 2

Answer:

Mass of 6.0*10^23 Molecules of Water is 18 g.

Mass of One Water Molecule = M/Na = 18/6.0*10^23

Mass of One Water Molecule = 3.0*10^-23.