Naming Hydrates & Writing Formulas

What is the chemical formula for calcium sulfate hexahydrate?

• CaSO₄ * 6H2O

• Ca2(SO4)3 * 6H2O

• Ca(SO4)2 * 6H2O

• Ca3(SO4)3 * 6H2O

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

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

• CuSO4

• CuSO4·5H2O

• CuSO4·H2O

• Cu2SO4·5H2O

What is the chemical formula for magnesium bromide tetrahydrate?

• Mg2Br2·5H2O

• MnBr2·6H2O

• MgBr2·4H2O

• MgBr·3H2O

What is the correct name for the compound CuSO4·8H2O?

• Copper(I) sulfate octahydrate

• Copper(II) sulfate octahydrate

• Cupric sulfate octahydrate

• Copper(II) sulfate octahydrate

What is the correct formula for Nickel (II) Sulfate dihydrate?

• NiSO4·5H2O

• NiSO4·3H2O

• NiSO4·7H2O

• NiSO4·2H2O

What is the correct formula for Magnesium sulfate heptahydrate?

• MgSO₄·7H₂O

• MgSO₄·5H₂O

• MgSO₄·2H₂O

• Mg₂SO₄·7H₂O

How do ionic compounds differ from covalent compounds?

• Ionic compounds are formed between metals and non-metals, while covalent compounds are formed between non-metals.

• Ionic compounds and covalent compounds are the same.

• Covalent compounds have higher melting points than ionic compounds.

• Ionic compounds use Greek prefixes to indicate the number of atoms present.

Tags

NGSS.HS-PS1-1

Name the following ionic compound: MgSO₄*7H₂O

• magnesium sulfate * hexahydarte
• magnesium sulfate hexahydarte
• magnesium sulfate heptahydrate
• magnesium sulfate* heptahydrate

Na₂CO₃ · 10H₂O is known as sodium sulfate ______

• Hydroxide
• Hydrate
• Decahydrate
• None of the above