Question

cantitate de magneziu care contine 2,4092 x 10 la puterea 23 atomi este ?

Answer 1

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Answer 2

$A_{Mg}=24\ g/mol \\ \\ 24\ g \ Mg\ ................ \ 6,023 \times 10^{23} \\ \ \ x .............................2,4092 \times 10^{23} \\ \\ x= \frac{24 \times 2,4092 \times 10^{23} }{6,023 \times 10^{23} } \\ \\ x=24 \times 0,4 \\\boxed{ x=9,6 \ g \ Mg}$