Hydrates Calculations Practice

Hydrates Calculations Practice

10th Grade

7 Qs

quiz-placeholder

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Hydrates Calculations Practice

Hydrates Calculations Practice

Assessment

Quiz

Chemistry

10th Grade

Medium

NGSS
HS-PS1-7, HS-PS1-2

Standards-aligned

Created by

Catherine Gamboa

Used 2+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 15.67 g sample of a hydrate of magnesium carbonate was heated to drive off the water. The mass was reduced to 7.58 g. What is the formula of the hydrate?
MgCO3 · 5H2O
MgCO3 · 4H2O
MgCO3 · 6H2O
MgCO3 · 1H2O

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 4.175 gram sample of a certain hydrate of copper (II) sulfate, CuSO4•xH2O, is heated until all the water is driven off. The resulting anhydrous compound weighs 3.120 grams. What is the formula of the hydrate?

CuSO4•H2O

CuSO4•3H2O

CuSO4•6H2O

CuSO4•4H2O

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 5.018 gram sample of a certain hydrate of magnesium sulfate, MgSO4•xH2O, is heated until all the water is driven off. The resulting anhydrous compound weighs 2.449 grams. What is the formula of the hydrate?

MgSO4•9H2O

MgSO4•8H2O

MgSO4•7H2O

MgSO4•6H2O

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for calcium sulfate hexahydrate?

CaSO₄ * 6H2O

Ca2(SO4)3 * 6H2O

Ca(SO4)2 * 6H2O

Ca3(SO4)3 * 6H2O

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are anhydrous compounds different from hydrates?

Anhydrous compounds contain more water molecules than hydrates

Anhydrous compounds and hydrates are the same

Anhydrous compounds do not contain water molecules, unlike hydrates

Anhydrous compounds use Greek letters to indicate the number of water molecules present

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for Copper(II) sulfate pentahydrate?

CuSO4

CuSO4·5H2O

CuSO4·H2O

Cu2SO4·5H2O

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A 15.67 g sample of a hydrate of magnesium carbonate was heated to drive off the water. The mass was reduced to 7.58 g. What is the formula of the hydrate?
MgCO3 · 5H2O
MgCO3 · 4H2O
MgCO3 · 6H2O
MgCO3 · 1H2O

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7