m1(p)950
V(p)50
w1(p×p)48%
w2 ?
m=w1(p×p)×m1(p)÷100
m=48%×950÷100=456(г)
V(p)=50мл=50(г)
m2(p)=m1(p)+V(p)=950+50=1000(г)
w2=m÷m2(p)==456÷1000=0.456×100%=45.6%
m1(p)950
V(p)50
w1(p×p)48%
w2 ?
m=w1(p×p)×m1(p)÷100
m=48%×950÷100=456(г)
V(p)=50мл=50(г)
m2(p)=m1(p)+V(p)=950+50=1000(г)
w2=m÷m2(p)==456÷1000=0.456×100%=45.6%