Answer to Question #252358 in General Chemistry for Sorcha

Question #252358

The mass of 7.02 x 10E-23 molecules of a diatomic molecule X2 is 296.0g. Calculate (to two decimal places) the Atomic Weight (amu) of the element X.

Expert's answer

7.02×10²³/6.023×10²³

1.166

296/1.166= 253.86g

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