Oblicz gęstość 18% roztworu chlorku amonu wiedząc że roztwór ten jest 3,54 molowe.
18g NH4Cl -w- 100g roztworu
x ------------w- 1000g roztworu
___________________________
x = 180g
1mol NH4Cl - 53,5g
x ------------- 180g
_________________
x = 3,36 mola
3,54 mola -w- 1000cm3
3,36 mola -w- x
__________________
x = 949,15cm3
1000g -ma- 949,15cm3
x -------ma- 1cm3
___________________
x = 1,05g/cm3
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18g NH4Cl -w- 100g roztworu
x ------------w- 1000g roztworu
___________________________
x = 180g
1mol NH4Cl - 53,5g
x ------------- 180g
_________________
x = 3,36 mola
3,54 mola -w- 1000cm3
3,36 mola -w- x
__________________
x = 949,15cm3
1000g -ma- 949,15cm3
x -------ma- 1cm3
___________________
x = 1,05g/cm3