An intrinsic property is one a That is dependent on how much of the material is present That is analogous to the flammability of any substance That is analogous to the flammability of any substance That only changes withaltitude   How many moles are in 20 mg of steric acid, CH_3(CH_2)_{16}COOH?

Determine the equilibrium concentrations of H2C6H6O6, HC6H6O6-, C6H6O62- and H+ when a  0.222 M solution of H2C6H6O6 achieves equilibrium. Ka1 = 8.0 x 10-5   Ka2 = 1.6 x 10-12

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1. THE SHIFTING OF AN EQUILIBRIUM: THE COMMON ION EFFECT Weak Acids and Weak Bases • • • Let us now examine weak acids and weak bases from an equilibrium point of view. In a solution of the weak acid, HC2H3O2, the following equilibrium exists: HC2H3O2 (aq) H+ (aq) + C2H3O2 (aq) To 3 mL of 0.10 M HC2H3O2 add a drop of methyl orange, then add 1 M NaC2H3O2 a few drops at a time, with mixing. Explain your observations in terms of the equilibrium equation and the common ion effect. Write the equilibrium equation and explain your observations in terms of the equilibrium equation and the common ion effect in your notebook.

A solution is prepared by combining 1.0 mole of Fe^3+ and 0.00100 mol of SCN^- .What is the maximum number of moles of FeSCN^ 2+ that can form? Give Answer in correct number of sig figs. 

-4 g The solubility of PbCrO, in water at 25 °C is measured to be 1.7 × 10 Use this information to calculate K, for PbCrO L 4 sp Round your answer to 2 significant digits. x10

Consider the reaction between 50.0 mL of 0.10 M NaOH and 75.0 mL of 0.20 M HCI at 25°. Which of the following statements is TRUE? HCl is the limiting reactant. After the reaction, the concentration of Na* is equal to the concentration of Cl'. After the reaction, the concentration of Cl' is still 0.200 M because Cl' is a spectator ion. After the reaction, the concentration of Na* is greater than the concentration of H30*. The final solution has a pH 1.10.

When 25.0 mL of a 4.26×10-4 M manganese(II) sulfate solution is combined with 18.0 mL of a 9.60×10-4 M ammonium sulfide solution does a precipitate form? fill in the blank 1 (yes or no)? For these conditions the Reaction Quotient, Q, is equal to ?

When 15.0 mL of a 5.28×10-4 M barium acetate solution is combined with 18.0 mL of a 6.22×10-4 M sodium carbonate solution does a precipitate form? fill in the blank 1 (yes or no)For these conditions the Reaction Quotient, Q, is equal to____ .

How many of the following salts forms aqueous solution with pH < 7?             Na2S, Na2CO3, NaBr, NH4Cl, Al(Br)3, NaClO4, K2SO4