1 mole =                                    particles
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1 mole = particles : Avogadro’s number Particles = molecules Molar mass of each element can be found on the periodic table. The unit is in grams/mol or g/mol. Calculate the molar mass of mercury (II) sulfate.

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1 mole particles

1 mole = particles

: Avogadro’s number

Particles = molecules

Molar mass of each element can be found on the periodic table. The unit is in grams/mol or g/mol.

Calculate the molar mass of mercury (II) sulfate.


1 mole particles

p.326. #31, A sample of sodium sulfite (Na2SO3) has a mass of 2.25 g. (a) How many Na+ ions are present? (b) How many SO3-2 ions are present? (c ) What is the mass in grams of one formula unit of Na2SO3?


1 mole particles

  • #33, A sample of ethanol (C2H5OH) has a mass of 45.6 g. (a) How many hydrogen atoms does the sample contain?


1 mole particles

  • Which has the larger percent by mass of sulfur, H2SO3 or H2S2O8?

  • Percent formula =


1 mole particles

  • Empirical formula is the __________ ratio of elements in a compound.

  • Ionic compound: Is the empirical formula the correct formula? (please do not answer and let the rest of the class some time to think)

  • Molecular compound: is the empirical compound the correct formula?

  • The relationship of molecular formula and empirical formula


1 mole particles

  • Determine the molecular formula for ibuprofen. Analysis of ibuprofen yields a molar mass of 206 g/mol and a percent composition of 75.7% C, 8.80% H and 15.5% O.


1 mole particles

  • Combustion reaction: combustion, burns

  • You need hydrocarbon O2

  • The process produces CO2 and H2O, both in __________ state

  • Write the balanced equation of the combustion of liquid C6H13OH


1 mole particles

  • Synthesis: synthesis, combination, composition

  • Simple → complex or elements → compound

  • Write the balanced synthesis equation of magnesium bromide


1 mole particles

  • Decomposition: decomposition

  • Complex → simple or compound → elements

  • Write the balanced decomposition equation of magnesium bromide.


1 mole particles

  • Single Replacement Reaction

  • Metal(A) + Ionic solution → Ionic solution + Metal(B)

  • Write the balanced equation of nickel added to the solution of magnesium chloride.


1 mole particles

  • Double Replacement

  • Solution + solution → cations change partners (thoughts: can a cation change partner with an anion?)

  • Write the balanced equation of adding the solution of sodium phosphate into the solution of manganese (II) chloride.

  • Write complete ionic equation.

  • Write net ionic equation.


1 mole particles

  • Dissociation equation:

  • Solid ionic compound is put into water. Ionic compound will dissociate into cations and anions.

  • Write the balanced equation of when calcium iodide is put into water.


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