Stężenie procentowe roztworu.

Quiz
•
Chemistry
•
7th Grade
•
Medium
Used 627+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Wzór na obliczenie stężenia procentowego roztworu:
Cp = mr / ms · 100%
Cp = mw / ms · 100%
Cp = ms / mr · 100%
Cp = mroz. / ms · 100%
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ile wynosi stężenie procentowe roztworu powstałego przez rozpuszczenie 20 g cukru w 80 g wody?
25%
80%
10%
20%
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oblicz, ile gramów chlorku sodu NaCl otrzyma się po całkowitym odparowaniu 150 g 5 - procentowego roztworu?
75 g
7,5 g
5 g
0,75 g
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Do przygotowania 500 g 10 procentowego roztworu saletry potasowej należy użyć:
50 g saletry potasowej i 450 g wody.
50 g saletry potasowej i 500 g wody.
10 g saletry potasowej i 490 g wody.
5 g saletry potasowej i 495 g wody.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chlorek potasu w 70°C posiada rozpuszczalność 50g/100g wody. Stężenie procentowe roztworu wynosi:
50%
33,3%
25%
11,1%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jodyna to roztwór jodu w etanolu. Oblicz, ile gramów jodu należy rozpuścić w etanolu, aby otrzymać 150 g 4- procentowego roztworu jodyny?
60 g
15 g
6 g
1,5 g
Similar Resources on Wayground
6 questions
BALANZAS

Quiz
•
7th - 8th Grade
10 questions
Solutii

Quiz
•
7th Grade
10 questions
Chemical vs. Physical Changes

Quiz
•
6th - 8th Grade
11 questions
Química 1° Medio U1

Quiz
•
1st - 12th Grade
8 questions
NDS11 Chimie

Quiz
•
KG - University
10 questions
Molar Relationship Practice

Quiz
•
7th - 11th Grade
10 questions
States of Matter (Pre-test)

Quiz
•
7th - 8th Grade
10 questions
Unidades físicas de concentración

Quiz
•
7th Grade
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
10 questions
UPDATED FOREST Kindness 9-22

Lesson
•
9th - 12th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
US Constitution Quiz

Quiz
•
11th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Chemistry
20 questions
Solutes, Solvents, Solutions

Quiz
•
6th - 8th Grade
20 questions
Chemical and Physical Properties and Changes

Quiz
•
7th Grade
11 questions
States of Matter

Quiz
•
7th Grade
22 questions
PHYSICAL AND CHEMICAL PROPERTIES

Quiz
•
7th - 9th Grade
20 questions
heat transfer

Quiz
•
7th Grade
10 questions
Elements Vs Compounds

Quiz
•
5th - 7th Grade
18 questions
States of Matter & Phase Changes

Quiz
•
6th - 8th Grade
20 questions
Metals, Nonmetals, and Metalloids

Quiz
•
7th - 9th Grade