# Study sets matching "formulas using chemical"

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particles -> moles -> mass conversion c…

percent composition

empirical formula

calculating the empirical formula

100(mass of element/mass of compound)

consists of the symbols for the elements combined in a compoun…

1. mass of each element... 2. calculate number of moles for each…

particles -> moles -> mass conversion c…

percent composition

100(mass of element/mass of compound)

What does a chemical formula indicate?

What can chemists calculate from a chem…

formula mass

molecular mass

- the elements present in a compound... - the relative number of…

- formula mass... - molar mass... - percentage composition

the sum of the average atomic masses of all atoms represented…

the mass of a molecule

What does a chemical formula indicate?

- the elements present in a compound... - the relative number of…

What can chemists calculate from a chem…

- formula mass... - molar mass... - percentage composition

chemical formula

molar mass

percent composition

hydrate

actual ratio of elements present in a compound

grams present in one mole of an element or compound

describes the amount of one atom type in a compound

a salt crystallized with water molecules

chemical formula

actual ratio of elements present in a compound

molar mass

grams present in one mole of an element or compound

Formula Mass

Steps to formula mass

Percent composition

Hydrates

The sum of the masses of all the elements represented in a che…

Take formula... Seperate and mult each element by the molar mass…

Percentage by mass of each element in a compound

Compounds that contain water molecule in its crystal matrix

Formula Mass

The sum of the masses of all the elements represented in a che…

Steps to formula mass

Take formula... Seperate and mult each element by the molar mass…

for any molecule, formula unit or ion,…

formula mass

the percentage by mass of each element…

percent composition

Define formula mass:

For any molecule, formula unit or ion, the formula mass is the…

Define percent composition:

The percentage by mass of each element in a compound.

for any molecule, formula unit or ion,…

Define formula mass:

formula mass

For any molecule, formula unit or ion, the formula mass is the…

What do chemical formulas allow chemist…

What are formula units>

How is the mass of a water molecule fou…

What is molar mass equal to?

They allow chemists to calculate a number of characteristics f…

they are the sum of the average atomic masses of all atoms in…

it of found by adding the masses of all three atoms in the mol…

It is equal to the mass in grams of a mole.

What do chemical formulas allow chemist…

They allow chemists to calculate a number of characteristics f…

What are formula units>

they are the sum of the average atomic masses of all atoms in…

Which statement shows how to correctly…

What is the percentage of iron in iron(…

How many total moles of atoms are there…

What is the empirical formula for benze…

mass (grams) 1... x ---------------------- = amount (moles)... mol…

34.43%

8

CH

Which statement shows how to correctly…

mass (grams) 1... x ---------------------- = amount (moles)... mol…

What is the percentage of iron in iron(…

34.43%

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

chemical formula

subscript

valence electron:

oxidation number

way of writing the name of a compound using chemical symbols

number written to the lower right of a chemical symbol in a ch…

electron in the outermost energy level of an atom

number of electrons an atom gains, loses, or shares when it fo…

chemical formula

way of writing the name of a compound using chemical symbols

subscript

number written to the lower right of a chemical symbol in a ch…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…

Compound Formula or Molar Mass

Subscripts

Percent Composition

Hydrates

mass of all of the elements in a chemical compound

tell you the moles of each compound and element

percent of each element in a compound/mixture

a compound that contains H2O molecules incorporated into its c…

Compound Formula or Molar Mass

mass of all of the elements in a chemical compound

Subscripts

tell you the moles of each compound and element

Formula mass

Molar mass

The only difference between formula mas…

What's the unit for formula mass?

The sum of the average atomic masses of all the atoms in the m…

Determined by finding the sum of the masses of an element foun…

Unit

amu

Formula mass

The sum of the average atomic masses of all the atoms in the m…

Molar mass

Determined by finding the sum of the masses of an element foun…

chemical formula

compound

coefficient

subscript

A formula that gives the elements in a compound and the ratio…

A substance made up of atoms of two or more different elements…

A number placed in front of a formula in an equation to indica…

A number in a chemical formula that tells the number of atoms…

chemical formula

A formula that gives the elements in a compound and the ratio…

compound

A substance made up of atoms of two or more different elements…