d(r)=1g/cm³
V(r)=0,5dm³=500cm³
c(p)=8%
m(r)=?
m(s)=?
m(rozp)=?
d=m/V → m=d*V
m=1g/cm³*500cm³=500g
500g r - 100%
xg s - 8%
x=8%*500g/100%=40g
m(rozp)=m(r)-m(s)=500g-40g=460g
Odp. Ten r-r zawiera 40g kwasu octowego oraz 460g wody.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
d(r)=1g/cm³
V(r)=0,5dm³=500cm³
c(p)=8%
m(r)=?
m(s)=?
m(rozp)=?
d=m/V → m=d*V
m=1g/cm³*500cm³=500g
500g r - 100%
xg s - 8%
x=8%*500g/100%=40g
m(rozp)=m(r)-m(s)=500g-40g=460g
Odp. Ten r-r zawiera 40g kwasu octowego oraz 460g wody.