19alexanderetha 19alexanderetha

23-01-2019
Chemistry

contestada

What is the mass of 0.500 mole of Ba? (Watch sf’s) 68.7 g 137.3 g 68.65 g 69 g

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chowchownom chowchownom

23-01-2019

68.7g

molar mass of Ba(137.327)x (.500)= 68.6635

.500 has 3 sig figs.

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