" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
140g KI = 100g H₂O
70g KI = 50g H₂O
2)200g = 100%
10g = 5%
200g - 20g = 180g
180g=100%
10g=x
x=1000/180=5,6%
3) I roztwór
1000g = 100%
x=70%
x=70 000%g/100% = 700g
II roztwór
300g=100%
x=30%
x=9000g%/100% = 90g
końcowy roztwór
1300g = 100%
790g=x
x=79000g%/1300g = 61%(w przybliżeniu)