Chemistry 1

test 1

Law of Multiple proportions

Mass amounts of same elements in different compounds are always found as integer multiples of each other

Vertical columns

similar chemical properties

Mass amount

Used when you need to measure out or report an amount of a materia

Mole amount

Used when you need to use the material in a chemical formula or chemical reaction

Isolated Yield

amount of products actually recovered from a chemical reaction

Percent Yield

actual amount of product recovered over what’s theoretically possible

Percent Composition

What percent of compound each element makes up.

Mole

6.022 × 10³ particles of that substance.

Precision

If data agrees with itself

Accuracy

If data agrees with true data

AMU

Atomic Mass Units

How to write moles

Mass (in Grams)

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Molar mass (g/mol)