Calculate the number of molecules in 54 gm of H_(2)O – InterviewSolution

InterviewSolution

1.	Calculate the number of molecules in 54 gm of H_(2)O
Answer» Solution :`"Number of molecules"=("AVOGADRO number"xx"Given mass")/("Gram MOLECULAR mass")` `"Number of molecules of water "=6.023xx10^(23)xx54//18` `=18.069xx10^(23)" molecules"`

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