Formulas+convertions

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

Number of particles or number of moles

Back (Answer)

n=N/NA

Front (Question)

What is avagadros number

Back (Answer)

6.02 x 10 ^23

Front (Question)

Concentration unit

Back (Answer)

g/dm3 (g/dm3 = mol/dm3 x Mr)

Front (Question)

Concentration formula

Back (Answer)

c=n/V

Front (Question)

Convection from cm3->dm3

Back (Answer)

Divide by 1000

Front (Question)

Volume of a gas

Back (Answer)

n=V/24

Front (Question)

Room temperature and pressure

Back (Answer)

25`C and 1 atm

Front (Question)

Charge of: Zn Pb Ag

Back (Answer)

2+ 2+ +

Front (Question)

Ammonium formula

Back (Answer)

NH4 +

#10

Front (Question)

Hydroxide formula

Back (Answer)

OH-

#11

Front (Question)

Nitrate formula

Back (Answer)

NO3 -

#12

Front (Question)

Sulfate formula

Back (Answer)

SO4 2-

#13

Front (Question)

Carbonate formula

Back (Answer)

CO3 2-

#14

Front (Question)

Hydrogen carbonate formula

Back (Answer)

HCO3-

#15

Front (Question)

Phosphate formula

Back (Answer)

PO4 3-

#16

Front (Question)

Thiosulfate formula

Back (Answer)

S2O3 2-

#17

Front (Question)

Methane formula

Back (Answer)

CH4

#18

Front (Question)

Ammonia formula

Back (Answer)

NH3

#19

Front (Question)

Percentage yield formula

Back (Answer)

Actual yield/theoretical yield x 100

#20

Front (Question)

Volume of a gas formula

Back (Answer)

V=n x 24

#21

Front (Question)

Percentage purity formula

Back (Answer)

Mass of pure substance/total mass of substance x 100

#22

Front (Question)

What is different about how you calculate the Mr of hydrated salts

Back (Answer)

You calculate the mr of the salt and the water separately and then you add them

#23

Front (Question)

What does crystallisation form

Back (Answer)

Insoluble base

#24

Front (Question)

What does precipitation form

Back (Answer)

Insoluble salt/precipitate