M K₂CO₃ = 138 g/mol
M KHCO₃ = 101 g/mol
m K₂CO₃ : m KHCO₃ = 23 : 25
m K₂CO₃ = x
m KHCO₃ = y
x / y = 23/25 = 0,92
x = 0,92 * y
V CO₂ = 39,2 dm³
n CO₂ = 39,2 / 22,4 = 1,75 mol
ilość moli
n K₂CO₃ = x / 138
n KHCO₃ = y / 101
K₂CO₃ + 2HNO₃ ---> 2KNO₃ + CO₂ + H₂O
z 1 mola K₂CO₃ powstaje 1 mol CO₂
x / 138 moli K₂CO₃ ---- x / 138 moli CO₂
i analogicznie
KHCO₃ + HNO₃ ---> KNO₃ + CO₂ + H₂O
z 1 mola KHCO₃ powstaje 1 mol CO₂
x / 101 moli K₂CO₃ ---- x / 101 moli CO₂
-----------------------------------------------------------
∑ n CO₂ = x /138 + y / 101 = 1,75
----------------------------------------------
x /138 + y / 101 = 1,75 / * 13 938
101 x + 138 y = 24391,5
101 ( 0,92 * y ) + 138 y = 24391,5
92,92 + 101 y + 138 y = 24391,5
237 y = 24298,58
y = 102,5
x = 0,92 * 102,5 = 94,3
m K₂CO₃ = 94,3 g
m KHCO₃ = 102,5 g
∑ mieszaniny = 94,3 g + 102,5 g = 196,8 g
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M K₂CO₃ = 138 g/mol
M KHCO₃ = 101 g/mol
m K₂CO₃ : m KHCO₃ = 23 : 25
m K₂CO₃ = x
m KHCO₃ = y
x / y = 23/25 = 0,92
x = 0,92 * y
V CO₂ = 39,2 dm³
n CO₂ = 39,2 / 22,4 = 1,75 mol
ilość moli
n K₂CO₃ = x / 138
n KHCO₃ = y / 101
K₂CO₃ + 2HNO₃ ---> 2KNO₃ + CO₂ + H₂O
z 1 mola K₂CO₃ powstaje 1 mol CO₂
x / 138 moli K₂CO₃ ---- x / 138 moli CO₂
i analogicznie
KHCO₃ + HNO₃ ---> KNO₃ + CO₂ + H₂O
z 1 mola KHCO₃ powstaje 1 mol CO₂
x / 101 moli K₂CO₃ ---- x / 101 moli CO₂
-----------------------------------------------------------
∑ n CO₂ = x /138 + y / 101 = 1,75
x = 0,92 * y
----------------------------------------------
x /138 + y / 101 = 1,75 / * 13 938
101 x + 138 y = 24391,5
101 ( 0,92 * y ) + 138 y = 24391,5
92,92 + 101 y + 138 y = 24391,5
237 y = 24298,58
y = 102,5
x = 0,92 * 102,5 = 94,3
m K₂CO₃ = 94,3 g
m KHCO₃ = 102,5 g
∑ mieszaniny = 94,3 g + 102,5 g = 196,8 g