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d1=0,089g/dm³
m1=v1*d1
m1=0,28*0,089
m1 = 0,02492g
v2=0,14dm³
d2=1,43g/dm³
m2=v2*d2
m2=0,14*1,43
m2 = 0,2002g
m = m1+m2 = 0,02492g + 0,2002g = 0,225g wody