FACTOR LABEL, MOLE CALCULATIONS

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Presentation transcript:

FACTOR LABEL, MOLE CALCULATIONS ex#1--CALCULATE THE NUMBER OF PARTICLES IN 196. GRAMS OF H2SO4. EQUATION METHOD: 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

EX#1--CALCULATE THE NUMBER OF PARTICLES IN 196. GRAMS OF H2SO4. FACTOR LABEL METHOD ( ) 196 g 1 ( ) 98 g 1 mol ( ) 1 mol 6.02 x 1023 particles 1.204 X 1024 PARTICLES H2SO4 = X X

FACTOR LABEL, MOLE CALCULATIONS EX#1—2 CALCULATE THE NUMBER OF LITERS IN 196. GRAMS OF H2SO4(G) AT STP. EQUATION METHOD: MOLES = MASS GFM GAS VOLUME(STP) = MOLES X 22.4 L MOLES = 196 g 98.0 44.8 L = MOLES X 22.4 L 2.0 MOL

EX#2--CALCULATE THE NUMBER OF LITERS IN 196. GRAMS OF H2SO4(G) AT STP. FACTOR LABEL METHOD ( ) 196. g 1 ( ) 98 g 1 mol ( ) 1 mol 22.4 L STP GAS 44.8 L H2SO4(G) = X X