Answer to Question #124541 in General Chemistry for Chiaha Patrick

Question #124541
What is the Mass of 6.10^23 atoms of oxygen
1
Expert's answer
2020-06-30T07:47:17-0400

We need to find amount of substance n=NNAn=\frac{N}{N_A} and then multiply it by oxygen molar mass

m=NNAM=6×10236.02×1023mol1×32gmol31.89gm = \frac{N}{N_A}M = \frac{6\times10^{23}}{6.02\times10^{23}mol^{-1}}\times32\frac{g}{mol} \approx 31.89g

(What Avogadro constant value do you use? If it's 6*10^23 the answer would be 32g)

Answer: 31.89g


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