1.
mSO3=80u
mH2SO4=98u
SO3 + H2O---->H2SO4 80g SO3------98g H2SO4 20g SO3-------xg H2SO4x=24,5g H2SO4
2.
Z def. stęż. procent.
10g kwasu------400g roztworu
xg kwasu--------100g roztworu
x=2,5g kwasu
x=2,5%
3.
40g kwasu------200g roztworu (40g kwasu + 160g wody)
xg kwasu-------100g roztworu
x=20g kwasu
x=20%
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1.
mSO3=80u
mH2SO4=98u
SO3 + H2O---->H2SO4
80g SO3------98g H2SO4
20g SO3-------xg H2SO4
x=24,5g H2SO4
2.
Z def. stęż. procent.
10g kwasu------400g roztworu
xg kwasu--------100g roztworu
x=2,5g kwasu
x=2,5%
3.
Z def. stęż. procent.
40g kwasu------200g roztworu (40g kwasu + 160g wody)
xg kwasu-------100g roztworu
x=20g kwasu
x=20%