H2SO4:S: +6O: -2H: +1
H3PO4:P: +5O: -2H: +1
H2Cr2O7:Cr: +6O: -2H: +1
HClO4:Cl: +7O: -2H: +1
HNO3:N: +5O: -2H: +1
HClO:Cl: +1O: -2H: +1
HCl:Cl: +1H: +1
H2SO4:Molar mass = 2(1.01 g/mol) + 32.06 g/mol + 4(16.00 g/mol) = 98.08 g/mol
H3PO4:Molar mass = 3(1.01 g/mol) + 30.97 g/mol + 4(16.00 g/mol) = 97.99 g/mol
H2Cr2O7:Molar mass = 2(1.01 g/mol) + 251.99 g/mol + 7*(16.00 g/mol) = 294.08 g/mol
HClO4:Molar mass = 1.01 g/mol + 35.45 g/mol + 4*(16.00 g/mol) = 100.46 g/mol
HNO3:Molar mass = 1.01 g/mol + 14.01 g/mol + 3*(16.00 g/mol) = 63.01 g/mol
HClO:Molar mass = 1.01 g/mol + 35.45 g/mol + 16.00 g/mol = 52.46 g/mol
HCl:Molar mass = 1.01 g/mol + 35.45 g/mol = 36.46 g/mol
H2SO4:
S: +6
O: -2
H: +1
H3PO4:
P: +5
O: -2
H: +1
H2Cr2O7:
Cr: +6
O: -2
H: +1
HClO4:
Cl: +7
O: -2
H: +1
HNO3:
N: +5
O: -2
H: +1
HClO:
Cl: +1
O: -2
H: +1
HCl:
Рассчитаем молярную массу кислот:Cl: +1
H: +1
H2SO4:
Molar mass = 2(1.01 g/mol) + 32.06 g/mol + 4(16.00 g/mol) = 98.08 g/mol
H3PO4:
Molar mass = 3(1.01 g/mol) + 30.97 g/mol + 4(16.00 g/mol) = 97.99 g/mol
H2Cr2O7:
Molar mass = 2(1.01 g/mol) + 251.99 g/mol + 7*(16.00 g/mol) = 294.08 g/mol
HClO4:
Molar mass = 1.01 g/mol + 35.45 g/mol + 4*(16.00 g/mol) = 100.46 g/mol
HNO3:
Molar mass = 1.01 g/mol + 14.01 g/mol + 3*(16.00 g/mol) = 63.01 g/mol
HClO:
Molar mass = 1.01 g/mol + 35.45 g/mol + 16.00 g/mol = 52.46 g/mol
HCl:
Название кислот:H2SO4: Серная кислотаH3PO4: Фосфорная кислотаH2Cr2O7: Дихромовая кислотаHClO4: Хлорнововая кислотаHNO3: Азотная кислотаHClO: Гипохлоритная кислотаHCl: Хлороводородная кислотаУравнения реакций полной диссоциации кислот в водном растворе:H2SO4 → 2H^+ + SO4^2-H3PO4 → 3H^+ + PO4^3-H2Cr2O7 → 2H^+ + Cr2O7^2-HClO4 → H^+ + ClO4^-HNO3 → H^+ + NO3^-HClO → H^+ + ClO^-HCl → H^+ + Cl^-Molar mass = 1.01 g/mol + 35.45 g/mol = 36.46 g/mol