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Chemistry, 22.01.2020 21:31 2936131

Ineed ! how many moles are in 3.4*10^-7 grams of silicon dioxide, sio2. i got 2.0^17 but i think it's wrong : (

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Ineed ! how many moles are in 3.4*10^-7 grams of silicon dioxide, sio2. i got 2.0^17 but i think it...
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