Use the factor-label method to determine the following about H2O considering the number of moles is 10.5.
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Use the factor-label method to determine the following about H2O considering the number of moles is 10.5.

[From: ] [author: ] [Date: 12-03-07] [Hit: ]
The answer is 189.2 g.You get the number of molecules by multiplying the number of moles by the Avogadros number which is 6.02 x 10^23. The answer is 6.32 x 10^24 molecules.......
What is the mass in grams?
_________g H2O

What is the number of molecules ?

__________ molecules

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You get the mass in grams by multiplying the number of moles by its molecular weight. The answer is 189.2 g.

You get the number of molecules by multiplying the number of moles by the Avogadro's number which is 6.02 x 10^23. The answer is 6.32 x 10^24 molecules.
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