2NaOH + CuCl2 = Cu(OH)2 + 2 NaCl
СхНуОzNy-?
СхНуОzNy=32.0/12:6.66/1:42.67/16:18.67/14=2.66:6.66:2.66:1.33=2:5:2:1
C2H5O2N или СН2(NH2)-COOH аминоуксусная кислота
Ответ:
Объяснение:
Cu(NO3)2 + 2NaOH = Cu(OH)2 ↓+ 2NaNO3
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
CuSO4 + BaCl2 = BaSO4 ↓+ CuCl2
HCl, H2SO4, H3PO4, H2S, H2SO3, HNO3, HNO2, H2SiO3, HCOOH, CH3COOH, CH3CH2COOH, HOOC-COOH, H2CO3, HF,HI, HBr, HCN, HCN, HBrO, HBrO2, HBrO3, HBrO4, HClO, HClO2, HClO3, HClO4, HMnO4, H2Mn2O7, H3AsO4, HAsO3, HAlO2, HBO3, H2B4O7, HIO, HIO2, HIO3, HIO4, C17H35COOH, C17H33COOH, C17H26COOH
ФУУУХ
<span>4FeS2 + 11O2 = 2Fe2O3 + 8SO2
n(FeS2)= m/Mr = 12/120=0,1 моль.
n(O2)=0.1*11/4=0.275 моль
v(o2)= 0.275*22.4=6.16 литров
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