South Pasadena High School Ap Chem 08 Periodic

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Transcript of Reactions in Aqueous Solution - .South Pasadena AP Chemistry 5 Reactions in Aqueous Solution Station

• South Pasadena AP Chemistry Name __________________________________

  Period ___ Date ___/___/___

  5 Reactions in Aqueous Solution Station 1 ACIDS, BASES, AND NEUTRALS

  Classify each statement as talking about an [A]cid, [B]ase, or [N]eutral.

  _____ feels slippery

  _____ tastes sour

  _____ KOH

  _____ turns cabbage juice red

  _____ tastes bitter

  _____ cabbage juice stays purple

  _____ CH3OH

  _____ turns phenol red solution yellow

  _____ increases [OH-]

  _____ increases [H+]

  _____ H2SO3

  _____ NaHCO3

  Hint: only one of these is neutral.

  South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 2 SOLUBILITY RULES

  Circle the ionic compounds that are Insoluble (i.e. circle the precipitates):

  MgF2 CuSO4 NH4Cl Fe(OH)3 CsF

  AgCl CdS CuF2 PbSO4 Ba(OH)2

  Na2SO4 NH4OH Sr(NO3)2 Hg2I2 Na2CrO4

  BaCO3 PbBr2 CaC2O4 HC2H3O2 MgO

• South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 3 WRITE THE IONIC EQUATION

  For the following molecular equations, write the ionic equation and underline out the spectators:

  HF + NaOH NaF + H2O

  CuSO4 + Sr(NO3)2 Cu(NO3)2 + SrSO4

  2HCl + BaSO3 BaCl2 + H2O + SO2

  South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 4 PREDICT THE PRODUCTS

  Predict the products in these molecular equations. Indicate (s), (l), (g), or (aq):

  CuSO3 + HF

  Ca(NO3)2 + (NH4)2SO4

  HCl + Zn(C2H3O2)2

• South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 5 NAMING ACIDS

  Fill in this chart:

  Anion name Anion formula Acid formula Acid name

  cyanide

  chlorate

  hypochlorite

  sulfide

  sulfate

  sulfite

  nitrate

  acetate

  South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 6 RECOGNIZING OXIDATION-REDUCTION

  For each statement, classify the change of the underlined element as [O]xidation, [R]eduction, or [N]either:

  _____ Cu Cu2+

  + 2e-

  _____ Al3+

  + 3e- Al

  _____ CH4 CO2

  _____ NaOH + HCl NaCl + H2O

  _____ gaining electrons

  _____ oxidation number increases

  _____ Zn + 2HCl ZnCl2 + H2

  _____ Mg + O2 MgO

• South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 7 OXIDATION NUMBERS

  Determine the oxidation number of the underlined element:

  MgF2 CuSO4 NH4+ CO2

  AgCl Cr2O72-

  ClO3- SiH4

  South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 8 MOLARITY PROBLEMS

  Solve the following problems:

  A 2.00 mole sample of NaOH is dissolved in enough water to make 500. mL of solution. What is the

  concentration of the solution?

  60.0 grams of NaOH (MM = 40.00 gmol-1

  ) is dissolved in enough water to make 0.750 L of solution. What is

  the concentration of the solution?

  A 250. mL sample of a 0.125 M solution of NaOH contains ________ grams of NaOH.

• South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 9 DILUTIONS AND STOICHIOMETRY

  Show your work for these problems:

  You need to make 2.00 L of 0.200 M HCl.

  What volume of concentrated HCl (11.65 M) should you dilute? ___

  Given the equation: Al2O3(s) + 6 HCl(aq) 3 H2O(l) + 2 AlCl3(aq)

  What volume of 0.250 M HCl is needed to completely react with 25.0 grams Al2O3 (MM =101.96 gmol-1

  ).

  South Pasadena AP Chemistry

  5 Reactions in Aqueous Solution Station 9 DILUTIONS AND STOICHIOMETRY

  Show your work for these problems:

  You need to make 2.00 L of 0.200 M HCl.

  What volume of concentrated HCl (11.65 M) should you dilute? ___

  Given the equation: Al2O3(s) + 6 HCl(aq) 3 H2O(l) + 2 AlCl3(aq)

  What volume of 0.250 M HCl is needed to completely react with 25.0 grams Al2O3 (MM =101.96 gmol-1

  ).

South Pasadena High School Ap Chem 08 Periodic

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