nikiedwards9 nikiedwards9

13-01-2015
Chemistry

contestada

how many moles are in 67.42 grams Si?

Respuesta :

ttstreb ttstreb

14-01-2015

One mole of silicon is 28.09 grams

To find the amount of moles, we take the starting amount (67.42) and divide it by the base amount (28.09)

67.42/28.09 = 2.4

There are 2.4 moles of silicon

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