[Hóa 8] Khó

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toiyeu9a3

a. $d_{A/kk}=\dfrac{44.5+32.1}{6.29}=1,45$
b. $n_{CO_2}=a; n_{O_2}=b$
Ta có: a = 5b và 44a + 32b = 10,5 \Rightarrowa,b
V = 22,4(a+b)


+5đ
 
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