Zadanie 2
a) mP4O6=4*31u+6*16u=220u
124u---x%
220u---100%
x=56,36%P
100%-56,36%=43,64%O
b) mAl2O3=2*27u+3*16u=102u
54u---x%
102u---100%
x=52,94%Al
100%-52,94%=47,06%O
c) mCuCl2=63,5u+2*35,5u=134,5u
63,5u---x%
134,5u---100%
x=47,21%Cu
100%-47,21%=52,79%Cl
d) mMgO=24u+16u=40u
24u---x%
40u---100%
x=60%Mg
100%-60%=40%O
e) mAg2O=2*108u+16u=232u
216u---x%
232u---100%
x=93,1%Ag
100%-93,1%=6,9%O
Zadanie 3
mH2SO3=2*1u+32u+3*16u=82u
32u---x%
82u---100%
x=39,02%S
