" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
proporcja :
128.5 r-ru - 28.5g CuSO4
400g r-ru - X CuSO4
X= (400*28,5):128.5 =88.72 g CuSO4
28,5g soli------128,5g roztworu
xg soli---------400g roztworu
x=28,5*400/128,5
x=88,7g CuSO4