A Moving to another question will save this response. Question 17 Which of the following will dissolve best in molten KBr? OA gold O B. silver Oc benzene (C6H6) D. water OE. Nal

6. Which of the following is most strongly dependent on pressure? Why? a) 0.05 m NaCl b) 0.05 m C6H12O6 c) 0.02 m Al(NO3)3 d) 0.005 m CO2 e) 0.02 m NH4Cl

Explain why bubbles of CO2(g) form when you open a bottle of soda.

Which compound is soluble in water? O AgBr BaSO4 MgClz PbCO3 CACO3 Previous

When 200.0 mL of a solution containing 0.4522 g of AgNO3 is mixed with 100.0 mL of a solution containing 0.1668 g of K2CRO4, a bright red Ag2CrO4 precipitates. a. Identify the limiting reagent. b. Calculate the mass of the precipitate. c. Calculate the mass of the unreacted AgNO3 or K2CrO4 that remains in solution. 5. A series of sulfate samples is to be analyzed by precipitation as BaSO4. To obtain four significant digits at least 0.1000 g BaSO4 should be obtained. a. If the sample contains at least 10% sulfate by weight, what is the minimum sample mass that can be used? b. If this amount is used and the sample turns out to actually contain 42% sulfate, what mass of precipitate would be obtained?

26. 2Kl(aq) + H2O2(l) ↔ 2KOH(aq) + I2(g) + O2(g)Write the reaction above in total ionic form, and identify the spectator ion(s). The dissolved substances (designed by aq) are the only ones that dissociate completely into ions. a. I - b. K + c. OH - d. more than one choice is correct

3+ The solubility-product constant for Ce(IO3)3 is 3.2 × 10−¹⁰. What is the Ce³+ concentration in a solution prepared by mixing 40.00 mL of 0.0440 M 40.00 mL of a. water? b. 0.0440 M IO3¯? c. 0.280 M IO3¯? M M M 3+ Ce ³+ with

5. For each of the following equations, balance them, put in the missing solubility states and then write the net ionic equations. CdCl2( Ednanou Cd(s) + HCI(aq) - H2(g) + a. slueeloM ebrsled bns elolgmo nge acnom b. Fe(CIO3)2() + NaBr(L) → FeBr2( NaCIO3 (L)

3. Determine the number of components in each of the following systems a. CH3COOH + CHẠOH + CH3COOC2Hs + H2O b. Aqueous solution of sodium acetate (NaC₂H5O₂)

7. How many Equivalents are generated for each electrolyte solution? a. 2.0 mole Fe 3+ (aq) b. 2.5 mole SO 2- c. 4.0 mole PO 4 d. 3.5 mole CO. 3- 2- = 3 (aq) = = = 4 (aq) 8. How many mL of a 4.50 M HCl solution are needed to completely react with 20.5 g of CaCO3 if the chemical reaction is as shows below? Hint: use example in Section 9.5 2HC1 + CaCO (aq) 3(s) CaCl + CO 2(aq) 2(g) + H₂OO