98%........................2=1
...............2%
0%.........................96=48
1----------------10g
48----------------xg
xg=48*10g/1
xg=480g wody
98g ----- 100g roztworu
x ---------10g
x = 98g*10g/100g = 9,8g ---- masa kwasu
100g roztworu ---- 2g kwasu
x --------------------9,8g
x = 9,8*100g/2g = 490g ----- masa naszego roztworu
490g-10g = 480g
Odp. Należy dolać 480 g wody.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
98%........................2=1
...............2%
0%.........................96=48
1----------------10g
48----------------xg
xg=48*10g/1
xg=480g wody
98g ----- 100g roztworu
x ---------10g
x = 98g*10g/100g = 9,8g ---- masa kwasu
100g roztworu ---- 2g kwasu
x --------------------9,8g
x = 9,8*100g/2g = 490g ----- masa naszego roztworu
490g-10g = 480g
Odp. Należy dolać 480 g wody.