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![](https://rs.olm.vn/images/avt/0.png?1311)
a) mN = 0,5 .14 = 7g.
mCl = 0,1 .35.5 = 3.55g
mO = 3.16 = 48g.
b) mN2 = 0,5 .28 = 14g.
mCl2 = 0,1 .71 = 7,1g
mO2 = 3.32 =96g
c) mFe = 0,1 .56 =5,6g mCu = 2,15.64 = 137,6g
mH2SO4 = 0,8.98 = 78,4g.
mCuSO4 = 0,5 .160 = 80g
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a.n_{H_2}=\dfrac{1,2.10^{23}}{6.10^{23}}=0,2\left(mol\right)\\ n_{SO_2}=\dfrac{6,4}{64}=0,1\left(mol\right)\\ V_X=\left(1,5+2,5+0,2+0,1\right).22,4=96,32\left(l\right)\\b. m_X=1,5.32+2,5.28+0,2.2+6,4=124,8\left(g\right)\)
a.nH2=1,2.10236.1023=0,2(mol)nSO2=6,464=0,1(mol)VX=(1,5+2,5+0,2+0,1).22,4=96,32(l)b.mX=1,5.32+2,5.28+0,2.2+6,4=124,8(g)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a.m_O=1.16=16\left(g\right)\\ m_{O_2}=1.32=32\left(g\right)\\ b.m_{Fe}=1,5.56=84\left(g\right)\\ m_{Fe_2O_3}=1,5.160=240\left(g\right)\\ c.m_N=0,25.14=3,5\left(g\right)\\ m_{NO_2}=2,5.46=115\left(g\right)\\ d.m_{C_6H_{12}O_6}=1.180=180\left(g\right)\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) Số nguyên tử N = 1,5 . 6 . 1023 = 9 . 1023
b) Số phân tử H2 = 0,5 . 6 . 1023 = 3 . 1023
c) Số phân tử NaOH = 0,2 . 6 . 1023 = 1,2 . 1023
d) Số phân tử CO2 = 0,05 . 6 . 1023 = 0,3 . 1023
e) Số phân tử CuSO4 = 0,5 . 6 . 1023= 3 . 1023
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(m_{Na}=n.M=0,3.23=6,9\left(g\right)\)
\(m_{O_2}=n_{O_2}.M_{O_2}=0,3.32=9,6\left(g\right)\)
b) \(m_{HNO_3}=n_{HNO_3}.M_{HNO_3}=1,2.63=75,6\left(g\right)\)
\(m_{Cu}=n.M=0,5.64=32\left(g\right)\)
c) \(m_{KNO_3}=n.M=0,125=0,125.101=12,625\left(g\right)\)
\(m_{KMnO_4}=n.M=0,125.158=19,75\left(g\right)\)
\(m_{KClO_3}=n.M=0,125.122,5=15,3125\left(g\right)\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(m_S=\dfrac{64.50}{100}=32\left(g\right)=>n_S=\dfrac{32}{32}=1\left(mol\right)\)
\(m_O=\dfrac{64.50}{100}=32\left(g\right)=>n_O=\dfrac{32}{16}=2\left(mol\right)\)
=> CTHH: SO2
a) mCuSO4= n * M = 0.5 * 160 = 80 (g)
b) mO= n * M = 1.75 * 16 = 28 (g)
c) mH2 = n * M = 2.5 * 2 = 5 (g)