Concentrația procentuală
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
Tunde Lakatos
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14 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Concentrația procentuală masică reprezintă:
masa de solvent din 100 g soluție
masa de dizolvat din 100 g dizolvant
masa de dizolvat din 100 g soluție
masa de dizolvant din 100 g soluție
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se notează cu md
masa de soluție
masa de substanță dizolvată
masa dizolvantului
masa acidului
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Soluția obținută prin dizolvarea a 10 grame de sare în 190 grame de apă are concentrația:
5%
0,5%
0,05%
1%
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ce reprezintă ms:
masa selectată
masa substanţă
masă soluţie
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Concentraţia se măsoară în :
Grame
Procente
Metri
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Masa de soluţie este:
Masa apă+ masa dizolvat
Masa dizolvant + masa substanta
Masa apa+ masa soluţie
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ce este o soluţie:
Amestec eterogen
O proprietate
Amestec omogen
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