Question

Ae giúp tôi đi,cảm ơn mn. bắt đầu từ câu 13 nha

Answer 1

\(13.A\\ 24.kí.hiệu?\\ 25.C\\ 26.D\\ 27.C\\ 29.D\\ 30.B\\ 31.B\\ 32.V=1,5.24,79=37,185l\\ \Rightarrow D\\ 33.D\\ 34.n_{O_2}=\dfrac{64}{32}=2mol\\ V_{O_2}=2.24,79=49,58l\\ \Rightarrow B\\ 35.d_{SO_2/Cl_2}=\dfrac{61}{71}\approx0,9\\ \Rightarrow C\\ 36.m_{H_2SO_4}=\dfrac{200.12}{100}=24g\\ \Rightarrow C\\ 36.A\\ 39.n_{HCl}=0,2.1=0,2mol\\ Zn+2HCl\rightarrow ZnCl_2+H_2\\ n_{Zn}=n_{H_2}=0,2:2=0,1mol\\ m=m_{Zn}=0,1.65=6,5\\ V=V_{H_2}=0,1.22,4=2,24l\\ \Rightarrow A\)