1)
Ca + 2HNO3---->Ca(NO3)2 + H2
CaO + 2HNO3---->Ca(NO3)2 + H2O
Ca(OH)2 + 2HNO3---->Ca(NO3)2 + 2H2O
CaO + N2O5---->Ca(NO3)2
2)
32g---------6,02*10^23 atomów
xg--------------1 atom
x = 32 / 6,02*10^23
x = 5,3*10^-23g
1
Ca+2HNO3--->Ca(NO3)2+H2
Ca(OH)2+2HNO3-->Ca(NO3)2+2H2O
CaCO3+2KNO3-->Ca(NO3)2+K2CO3
CaCo3+2HNO3-->Ca(NO3)2+H2O+CO2
2
32u------xg
6,02*10^23u------1g
x=5,3*10^-23
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1)
Ca + 2HNO3---->Ca(NO3)2 + H2
CaO + 2HNO3---->Ca(NO3)2 + H2O
Ca(OH)2 + 2HNO3---->Ca(NO3)2 + 2H2O
CaO + N2O5---->Ca(NO3)2
2)
32g---------6,02*10^23 atomów
xg--------------1 atom
x = 32 / 6,02*10^23
x = 5,3*10^-23g
1
Ca+2HNO3--->Ca(NO3)2+H2
Ca(OH)2+2HNO3-->Ca(NO3)2+2H2O
CaCO3+2KNO3-->Ca(NO3)2+K2CO3
CaCo3+2HNO3-->Ca(NO3)2+H2O+CO2
2
32u------xg
6,02*10^23u------1g
x=5,3*10^-23