Experience 4 Concentrations Solutions

Experience 4 Concentrations Solutions

9th - 11th Grade

10 Qs

quiz-placeholder

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Experience 4 Concentrations Solutions

Experience 4 Concentrations Solutions

Assessment

Quiz

Chemistry

9th - 11th Grade

Practice Problem

Hard

NGSS
HS-PS1-5

Standards-aligned

Created by

Charles Martinez

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct equation to calculate the number of moles of solute.

number of moles = concentration x 1000

number of moles = volume / concentration

number of moles = concentration / volume

number of moles = concentration x volume

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

28g of CaCl2 was dissolved in 0.4 litres of water.

Calculate the concentration of the solution with the correct units.

0.625 g

6.25 mol / L

70 g/L

70 dm3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is preparing two solutions, A and B to use in an experiment.

To make solution A he dissolved 40.0g of a substance in 500 cm3 of a solvent.

Calculate the concentration of solution A.

0.08 g/L

8 g/L

0.8 g/L

80 g/L

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1 dm3 is equal to which.

100 cm3

1 L

1000 g

10 cm3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientists use what to make up solutions of a particular concentration.

Concentration Flask

Aqueous Flask

Volumetric Flask

Deionised Flask

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

How do you decrease the concentration of a solution. Choose 2 options

add more solvent

add more solute

remove solute

add more water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term do we use to describe a less concentrated solution?

Dilute

Volume

Aqueous

Solvent

Tags

NGSS.HS-PS1-5

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