FACTOR LABEL, MOLE CALCULATIONS
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FACTOR LABEL, MOLE CALCULATIONS
EQUATION METHOD:
ex#1--CALCULATE THE NUMBER OF PARTICLES IN 196. GRAMS OF H2SO4.
MOLES = MASS GFM
PARTICLES = MOLES X 6.02 X 1023
MOLES = 196 g 98.0
12.04 X 1023 = MOLES X 6.02 X 1023
1.204 X 1024 PARTICLES H2SO4
2.0 MOL
( )98 g
1 mol
EX#1--CALCULATE THE NUMBER OF PARTICLES IN 196. GRAMS OF H2SO4.
FACTOR LABEL METHOD
( )196 g
1 ( )1 mol
6.02 x 1023
particlesXX
1.204 X 1024
PARTICLES H2SO4=
FACTOR LABEL, MOLE CALCULATIONS
EQUATION METHOD:
EX#1—2 CALCULATE THE NUMBER OF LITERS IN 196. GRAMS OF H2SO4(G) AT STP.
MOLES = MASS GFM
GAS VOLUME(STP) = MOLES X 22.4 L
MOLES = 196 g 98.0
44.8 L = MOLES X 22.4 L2.0 MOL
( )98 g
1 mol( )196. g
1 ( )1 mol
22.4 LSTP GAS
XX44.8 L H2SO4(G)
=
EX#2--CALCULATE THE NUMBER OF LITERS IN 196. GRAMS OF H2SO4(G) AT STP.
FACTOR LABEL METHOD