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Машка1357
@Машка1357
July 2022
2
4
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Здийснить перетворення
К2О->КОН->КNO3
|
K2SO4
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Answers & Comments
DimaMine0302
K2O + 2H2O = 2KOH +H2
KOH + HNO3 = KNO3 + H2O
K2O + H2SO4 = H2O + K2SO4
0 votes
Thanks 0
AnnaKaledina2792
1) K2O+H2O=2KOH
2) KOH+Cr(NO3)3=3KNO3+Cr(OH)3
3) KOH+(CuOH)2SO4=K2SO4+2Cu(OH)2
2 votes
Thanks 0
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Answers & Comments
KOH + HNO3 = KNO3 + H2O
K2O + H2SO4 = H2O + K2SO4
2) KOH+Cr(NO3)3=3KNO3+Cr(OH)3
3) KOH+(CuOH)2SO4=K2SO4+2Cu(OH)2