
Homogenní směsi
Presentation
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Alena Vlachová
Used 1+ times
FREE Resource
4 Slides • 6 Questions
1
By Alena Vlachová
2
3
4
5
Multiple Choice
Roztoky patří mezi
homogenní směsi
heterogenní směs
čisté chemické látky
6
Multiple Select
Jedno procento můžeme také zapsat jako
0,1
0,01
1/100
1/1000
7
Multiple Choice
smíchám 10 g cukru a 100 g vody, jaká je hmotnost roztoku?
90 g
100 g
110 g
8
Multiple Choice
Kolika procentní je roztok, který vznikl smícháním 20 g cukru a 100 g vody?
20 %
16,7 %
5 %
9
Match
Match the following
značka hmotnostního zlomku složky v roztoku
značka hmotnosti roztoku
značka hmotnosti složky
vzorez pro výpočet hmotnostního zlomku
wsl
m
msl
wsl
m
msl
wsl =mmsl
10
Multiple Choice
Hmotnostní zlomek na procenta převedeme
přičtením 100
vydělením 100
vynásobením 100
By Alena Vlachová
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