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Canxi oxit: CaO : 56đvc
Caxi nitrat : Ca(NO3)2:164đvc
Bari hidroxit:Ba(OH)2:171đvc
Bari sunfat:BaSO4 :233đvc
Lưu huỳnh đioxit: SO2 :64đvc
Kali sunfit: K2SO3:158đvc
đồng hidroxit: Cu(OH)2 : 98đvc
Axxit clohidric: HCl :36,5đvc
Kaliclorua:KCl:74,5đvc
axxit sunfuric:H2SO4 :98đvc
Lưu huỳnh trioxit :SO3 :80đvc
Sắt (III) Clorua: FeCl3 :162,5đvc
Bari nitrat:Ba(NO3)2:261đvc
Đồng (II) oxit: CuO :80đvc
Cabonat:CO3 :60đvc
Nhôm sunfat:Al2(SO4)3:342đvc
Natriphotphat: Na3PO4:164đvc
Magie clo rua: MgCl2 :95đvc
Mangan ddioxxit:MnO2:87đvc
Điphotphopentaoxit:P2O5:142đvc
a+b
- CaO = 56 đvC
Ca(NO3)2 = 164 đvC
Ba(OH)2 : 171 đvC
BaSO4 = 233 đvC
SO2 = 64đvC
K2SO3 = 158đvC
Cu(OH)2=98đvC
HCl= 36,5 đvC
KCl = 74,5 đvC
H2SO4 = 98đvC
Tương tự làm tiếp đi nhé
Viết lần lượt nhé: SO3, FeCl2, Mg(OH)2, Zn3(PO4)2, Pb(NO3)2, Al2(SO4)3, H2SO3, NaOH, P2O5, HCl, CaCO3, HgO, BaSO3
\(1,CuO+2HCl\rightarrow CuCl2+H2O\)
\(2,K2SO4+Ba\left(OH\right)2\rightarrow B\text{aS}O4\downarrow+2KOH\)
\(3,MgCl2+2NaOH\rightarrow Mg\left(OH\right)2\downarrow+2NaCl\)
\(4,Zn+2AgNO3\rightarrow Zn\left(NO3\right)2+2Ag\)
5, \(2Fe\left(OH\right)3-^{t0}\rightarrow Fe2O3+3H2O\)
\(6,Al2O3+3H2SO4\rightarrow Al2\left(SO4\right)3+3H2O\)
\(7,Ag2O+2HCl\rightarrow2AgCl+H2O\)
\(8,2NaCl+2H2O-\left(ddpddd\left(c\text{ó}-m\text{àng}-ng\text{ă}n\right)\right)\rightarrow2NaOH+H2+Cl2\)
\(9,Na2O+H2O\rightarrow2NaOH\)
\(10,2K+2H2O\rightarrow2KOH+H2\)
KHCO3, CaSO4, HNO3, Cu(OH)2, Zn(NO3)2, Fe2O3, HBr, PbCl2, Al2(SO4)3, KOH, Ba3(PO4)2, Al2(CO3)3, CO2, CrO3, AlCl3, Ca(H2PO4)2, N2O3, H2SO4, MgO, H2SO3, Fe(OH)3, MnO2, KBr
1) H2SO4
2) H2SO3
3) Fe(OH)2
4) KHCO3
5) MgCl2
6) Al2(SO4)3
7) Na2O
8) KOH
9) P2O5
10) Ca(OH)2
Axit sunfuric : \(H_2SO_4\)
Axit sunfurơ : \(H_2SO_3\)
Sắt(II) hidroxit : \(Fe\left(OH\right)_3\)
Kali hidrocacbonat : \(KHCO_3\)
Magie clorua : \(MgCl_2\)
Nhôm sunfat : \(Al_2\left(SO_4\right)_3\)
Natri oxit : \(Na_2O\)
Kali hidroxit : \(KOH\)
Điphotpho pentaoxit : \(P_2O_5\)
Nhôm clorua : \(AlCl_3\)
Đồng (II) clorua : \(CuCl_2\)
Nhôm hidroxit : \(Al\left(OH\right)_3\)
Kẽm sunfat : \(ZnSO_4\)
Sắt (II) nitrat : \(Fe\left(NO_3\right)_2\)
Magie cacbonat : \(MgCO_3\)
Thủy ngân (II) sunfat : \(HgSO_4\)
Sắt (III) sunfat : \(Fe_2\left(SO_4\right)_3\)
Sắt (II) cacbonat : \(FeCO_3\)
Kẽm nitrat : \(Zn\left(NO_3\right)_2\)
Đồng (II) nitrat : \(Cu\left(NO_3\right)_2\)
Canxi cacbonat : \(CaCO_3\)
Bari hidroxit : \(Ba\left(OH\right)_2\)
Canxi hidroxit : \(Ca\left(OH\right)_2\)
Axit photphoric : \(H_3PO_4\)
Natri photphat : \(Na_3PO_4\)
Kali photphat : \(K_3PO_4\)
Canxi sunfit : \(CaSO_3\)
Chúc bạn học tốt
\(1) Mg + 2HCl \to MgCl_2 + H_2\\ 2) Mg(OH)_2 \xrightarrow{t^o} MgO + H_2O\\ 3) BaCl_2 + K_2SO_4 \to BaSO_4 + 2KCl\\ 4) 2H_2 + O_2 \xrightarrow{t^o} 2H_2O\\ 5) CuO + H_2SO_4 \to CuSO_4 + H_2O\\ 6) 2Na + 2H_2O \to 2NaOH + H_2\\ 7) 2Al(OH)_3 + 6HCl \to 2AlCl_3 + 3H_2\\ 8) Fe + S \xrightarrow{t^o} FeS\\ 9) Mg + 2HCl \to MgCl_2 + H_2\\ 10) Ca(OH)_2 + CuSO_4 \to Cu(OH)_2 + CaSO_4\\ 11) Na_2O + 2HNO_3 \to 2NaNO_3 + H_2O\\ 12)CO_2 + 2KOH \to K_2CO_3 + H_2O\)
Bài 2 :
1) \(Mg+2HCl\rightarrow MgCl_2+H_2\)
2) \(Mg\left(OH\right)_2\rightarrow\left(t_o\right)MgO+H_2O\)
3) \(BaCl_2+K_2SO_4\rightarrow BaSO_4+2KCl\)
4) \(2H_2+O_2\rightarrow\left(t_o\right)2H_2O\)
5) \(CuO+H_2SO_4\rightarrow CuSO_4+H_2O\)
6) \(2Na+2H_2O\rightarrow2NaOH+H_2\)
7) \(Al\left(OH\right)_3+3HCl\rightarrow2AlCl_3+3H_2O\)
8) \(2Fe+4S\rightarrow\left(t_o\right)2FeS_2\)
10) \(Ca\left(OH\right)_2+Cu\left(NO_3\right)_2\rightarrow Ca\left(NO_3\right)_2+\)\(Cu\left(OH\right)_2\)
11) \(Na_2O+HNO_3\rightarrow NaNO_3+H_2O\)
12) \(CO_2+2KOH\rightarrow K_2CO_3+H_2O\)
Chúc bạn học tốt