3. Chemical Reactions

Naming Ionic Hydrates

Chemistry 5.5 Names and Formulas: Hydrates

Naming Hydrated Ionic Compounds

Write the name from the formula or the formula from the name 
for each hydrated ionic compound. 
c. Mg(BrO3)2 # 6 H2O

Hydrated Ionic Compounds

A hydrate of copper(II) chloride has the following formula:
CuCl2 # x H2O. The water in a 3.41-g sample of the hydrate is driven
off by heating. The remaining sample has a mass of 2.69 g.
Find the number of waters of hydration (x) in the hydrate.

Naming Hydrates

Washing soda, a compound used to prepare hard water for
washing laundry, is a hydrate, which means that a certain
number of water molecules are included in the solid structure.
Its formula can be written as Na2CO3 # xH2O, where x is
the number of moles of H2O per mole of Na2CO3. When a
2.558-g sample of washing soda is heated at 125 C, all the
water of hydration is lost, leaving 0.948 g of Na2CO3. What is
the value of x?

Nomenclature of Hydrated Salts

Epsom salts is a hydrated ionic compound with the following
formula: MgSO4 # x H2O. A 4.93-g sample of Epsom salts is heated
to drive off the water of hydration. The mass of the sample
after complete dehydration is 2.41 g. Find the number of waters
of hydration (x) in Epsom salts.

Epsom salts, a strong laxative used in veterinary medicine,
is a hydrate, which means that a certain number of water
molecules are included in the solid structure. The formula
for Epsom salts can be written as MgSO4 # xH2O, where x
indicates the number of moles of H2O per mole of MgSO4.
When 5.061 g of this hydrate is heated to 250 C, all the water
of hydration is lost, leaving 2.472 g of MgSO4. What is
the value of x?

Give the systematic name from the given formula:K2Cr2O7 ∙ 3 H2O

How To Find The Empirical Formula of a Hydrated Ionic Compound

Naming Compounds  Hydrates

Ca2Se2 • 6 H2O

Ca3Se2 • 6 H2O

Write the chemical formula for the following compound:Calcium selenide hexahydrate

How to Name Hydrates

Naming Ionic Hydrates Example 1

Write the name from the formula or the formula from the name
for each hydrated ionic compound.
a. cobalt(II) phosphate octahydrate

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2. Atoms & Elements

4. BONUS: Lab Techniques and Procedures

5. BONUS: Mathematical Operations and Functions

6. Chemical Quantities & Aqueous Reactions

7. Gases

8. Thermochemistry

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Empirical Formula

The empirical formula gives the relative number of atoms.&nbsp;

Percent Yield

The Percent Yield determines how successful the product yield is in a chemical reaction.&nbsp;

Molecular Formula

The&nbsp;molecular formula gives the actual number of atoms.

Naming Ionic Compounds

An ionic compound is composed of a positive ion and a negative ion.&nbsp;

Functional Groups in Chemistry

The Functional Group is the portion of a molecule that is responsible for its chemical reactivity.&nbsp;

Naming Molecular Compounds

Molecular Compounds, also known as covalent compounds, contain only non-metals bonded together.&nbsp;

An Ionic Hydrate is an ionic compound that is linked to at least one molecule of H2O.&nbsp;

Stoichiometry

Stoichiometry deals with the numerical relationship between compounds in a balanced chemical equation.

Writing Ionic Compounds

Determining the charges of a cation and anion are fundamental in Writing Ionic Compounds.

Polyatomic Ions

Polyatomic Ions are groups of multiple elements that possess a charge.

Balancing Chemical Equations

Balancing Chemical Equations is the first step in future chemical calculations.

Limiting Reagent

The Limiting Reagent represents the compound that is totally consumed in the reaction.&nbsp;

Combustion Analysis

Under Combustion Analysis, the empirical formula of a compound is determined through a combustion reaction.&nbsp;

Mass Percent

Mass Percent is the percentage of a particular element within a compound.&nbsp;

Combustion Apparatus

A Combustion Apparatus vaporizes a sample into gases to later determine its formula.

Naming Acids

Acids, for the most part, are covalent compounds that begin with a hydrogen.&nbsp;

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