Intro. To molar conversions

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Presentation transcript:

Intro. To molar conversions Mr. Guerrero, LFHS

1 mole = molar mass = 6.02 x 1023= 22.4 Liters(g) @ STP MOLAR 6.02 X 1023 MASS AVOGADRO’S NUMBER EX: 4.8 X 1023 Zn atoms = ______________ grams Zn MOLES X PARTICLES X GRAMS X

1 mole = molar mass = 6.02 x 1023= 22.4 Liters(g) @ STP MOLAR 6.02 X 1023 MASS AVOGADRO’S NUMBER EX: 1.78 grams Mg = ______________ Mg atoms 2.78 mole C = _______ grams C MOLES X PARTICLES X GRAMS X

1 mole = molar mass = 6.02 x 1023= 22.4 Liters(g) @ STP EX: 55.0 grams N2O = _________ N2O molecules 8.95 X 1023 Fe2O3 Formula Units = _______ moles Fe2O3

1 mole = molar mass = 6.02 x 1023= 22.4 Liters(g) @ STP MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) 47.3 grams O2 gas = _______liters O2, at STP 3.95 Liters SF6 gas(at STP) = ____________ SF6 molecules GRAMS X MOLES X PARTICLES X Liters X gas

MOLAR 6. 02 X 1023 MASS AVOGADRO’S 22. 4 NUMBER (@ STP) 0 MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) 0.34 moles Mg(NO3)2 = ________grams Mg(NO3)2 GRAMS X MOLES X PARTICLES X Liters X gas

MOLAR 6. 02 X 1023 MASS AVOGADRO’S 22 MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) How many grams of NH3 are in 35.7 liters of NH3 gas at STP? GRAMS X MOLES X PARTICLES X Liters X gas

MOLAR 6. 02 X 1023 MASS AVOGADRO’S 22 MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) How many grams of oxygen are in 5.25 x 1023 oxygen molecules? GRAMS X MOLES X PARTICLES X Liters X gas

MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) GRAMS X MOLES X PARTICLES X Liters X gas

Semester II Molar conv. Review 0.25 moles C2H6 = ___________ grams C2H6 6.32 X 1023Cl2 molecules = ___________Liters Cl2 44.8 Liters N2O = __________ grams N2O 75.0 grams Ca(NO3)2 = _________ Ca(NO3)2 formula Units 180. grams Fe2O3 = __________ O2- ions

MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) GRAMS X MOLES X PARTICLES X Liters X gas

MOLAR 6.02 X 1023 MASS AVOGADRO’S 22.4 NUMBER (@ STP) GRAMS X MOLES X PARTICLES X Liters X gas