Answer to Question #171464 in General Chemistry for Jordan

Question #171464

Calculate the mass in grams of 6.71 x 10^25 molecules of water


1
Expert's answer
2021-03-15T09:29:29-0400

1 mole of water would have "6.02 \u00d710^{23}" (avogadro's constant)


Molar mass of water = 1(2)+16 = 18


Hence


"6.71\u00d710^{25}" molecules of water would have a mass of:

"(\\frac{18}{6.02\u00d710^{23}} ) 6.71 \u00d710^{25} = 2006.3 g"

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