longshlong52184 longshlong52184

08-12-2018
Chemistry

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If a sample of nitrogen gas (N2) contains 3.0 x 104 atoms of nitrogen, then about how many moles of nitrogen gas are in the sample?

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Altherra Altherra

09-12-2018

I guess you mean 3x 10^4 atoms of nitrogen

number of moles = number of particles / Avogadro's constant

= 3.0x10^4 / 6.02x10^23 =4.98 x 10^-20 mol

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