a.
\(N_{Al}=1,5.6,022.10^{23}=9,033.10^{23}\left(ngtu\right)\)
b.
\(N_{H_2}=0,5.6,022.10^{23}=3,011.10^{23}\left(phân.tử\right)\)
`a) N_Al = 1,5.6,022.10^23 = 9,033.10^23` ( Nguyên tử)
`b) N_H_2 = 0,5.6,022.10^23 = 3,011.10^23` ( Phân tử )
a)1,5*6.1023=9.10^23 hay 15n(nguyen tu al)
b)0,5*6,1023=3.10^23 hay 0,5(phan tu h2)
a)1,5*6.1023=9.10^23 hay 15n(nguyen tu al)
b)0,5*6,1023=3.10^23 hay 0,5(phan tu h2)