Pratique Concentration et Dilution

Pratique Concentration et Dilution

9th - 10th Grade

15 Qs

quiz-placeholder

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Pratique Concentration et Dilution

Pratique Concentration et Dilution

Assessment

Quiz

Science

9th - 10th Grade

Practice Problem

Hard

Created by

Alec Courchesne

Used 12+ times

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15 questions

Show all answers

1.

MATH RESPONSE QUESTION

3 mins • 1 pt

Transforme 25 kg en g.

Mathematical Equivalence

ON

Answer explanation

Il y a 1000 g pour 1 kg.

1000 g = 1 kg

x = 25 kg

2.

MATH RESPONSE QUESTION

3 mins • 1 pt

Transforme 56 mg en gramme.

Mathematical Equivalence

ON

3.

MATH RESPONSE QUESTION

3 mins • 1 pt

Transforme 150 L en ml.

Mathematical Equivalence

OFF

4.

MATH RESPONSE QUESTION

3 mins • 1 pt

Transforme 400 ml en L.

Mathematical Equivalence

OFF

5.

REORDER QUESTION

10 mins • 1 pt

Ordonne les concentrations suivantes de la plus faible à la plus grande.​

15 000 ppm

13 g/L

2 %

14 %

Answer explanation

Il faut utiliser la même unité de mesure pour comparer les concentrations. Nous pourrions travailler en %. En changeant 15 000 ppm --> 1,5 % et 13 g/L --> 1,3 %

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Quelle concentration obtient-on en mélangeant 27 g d'un soluté dans 800 ml ?

27 g/L

33,75 g/L

0,03 %

21,6 g/L

7.

MATH RESPONSE QUESTION

3 mins • 1 pt

Quelle masse de soluté (en g) retrouve-t-on dans 375 ml d'une solution concentrée à 9000 ppm ?

Mathematical Equivalence

ON

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