Hydrates Percent Composition

Hydrates Percent Composition

9th - 12th Grade

11 Qs

quiz-placeholder

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Hydrates Percent Composition

Hydrates Percent Composition

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

NGSS
MS-PS1-2, MS-PS1-4, MS-PS1-5

Standards-aligned

Created by

Charles Martinez

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the percent by mass of oxygen in MgO?
20%
40%
50%
60%

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the percent by mass of magnesium in MgO?
20%
40%
50%
60%

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the percent composition by mass of sulfur in the compound MgSO4 ?

20%

27%

46%

53%

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the percent composition by mass of oxygen in the compound MgSO4 ?

20%

27%

46%

53%

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Name the following ionic compound: MgSO4*7H2O
magnesium sulfate * hexahydarte
magnesium sulfate hexahydarte
magnesium sulfate heptahydrate
magnesium sulfate* heptahydrate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A compound is a hydrate when it...

is composed of only hydrogen and oxygen

is a state of water

is an ionic compound with water losely attached

repels water from the compound

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the performance of the copper II sulfate hydrate lab a visual indicator that water was still present was

the substance was blue

the substance turned white

the substance fizzed

the substance changed temperature

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