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M H = 1 u
M S = 32 u
M O = 16 u
m H = 2*1 = 2 m S = 32 m O = 16*3 = 48
H : S : O = 2 : 32 : 48 = 1 : 16 : 24
- tlenek siarki IV
M S = 32 u
M O = 16 u
m S = 32 m O = 16*2 = 32
S : O = 32 : 32 = 1:1
zad.2
300g------100%
x----------5% x = 15g kwasu siarkowego
15g ----- 30%
x --------- 100% x = 50g (masa wody + kwasu)
300g - 50g = 250g (tyle wody należy odparować)
a)
mH=1u
mS=32u
mO=16u
mh:mS:mO=2*1:32:16*3=2:32:48=1:16:24
b)tlenek siarki(IV)=
mS=32u
mO=16u
mS:mO=32:16*2=32:32=1:1