One million atoms of a particular element have a mass of 1.99 ×10^-17 grams. how many moles of this element are there?

asked Mar 1, 2017 154k views

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one million atoms of a particular element have a mass of 1.99 ×10^-17 grams. how many moles of this element are there?

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3 votes

(1.99x10^-17) x 1000000
= 1.99x10^-11 (1.99x10^-11) / (6.023x10^23)
= 3.304001328x10^-35
hope this helps

EliasM answered Mar 8, 2017

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