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Chem gcse > masses moles etc > Flashcards

masses moles etc Flashcards

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1
Q

What is ram/ Ar

A

Top number so the mass number = protons + neutrons

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2
Q

What is relative formula mass/ Mr

A

basically its all the mass numbers of the compound added together nice and easy

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3
Q

mole number

A

6.022 X 10 23

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4
Q

moles fact

A

any RAM in g is one mole

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5
Q

mass moles ram equation

A

moles = mass/RAM or RAM x moles = mass

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6
Q

concentration triangle w cm

A

masss
concentration x volume cm x1000

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7
Q

concentration triangle

A

mass

concentration x volume dm

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8
Q

how is an aqueous solution more concentrated

A

if you dissolvee more solute in the same vol of solvent, or evapourating some of the solvent with the same mass of solute

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Chem gcse (17 decks)

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