Methanol, CH3OH, is a nonelectrolyte; ammonia, NH3, is a weak electrolyte; and iron(III) sulfate, Fe2(SO4)3, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound? (Select all that apply.) methanol ammonia iron(III) sulfate H+ CH3OH2+ O2- OH - CH3O- CH3OH NH4+ NH3 O2- OH- NH4OH+ H+ Fe2(SO4)3 Fe3+ S2O42- SO43- Fe2+ SO42- If 0.1 mol of each compound is dissolved in solution, which one contains about 0.5 mol of solute particles, which contains 0.1 mol of solute particles, and which contains somewhere between 0.1 and 0.2 mol of solute particles? Methanol Ammonia Iron (III) sulfate

QUESTION 4 Consider the following aqueous solutions. (1) 0.35 m C2H4(OH)2 (ethylene glycol, nonvolatile solute (no vapor produced) and non-electrolyte) (i) 0.50 m sugar (non-electrolyte) (iii) 0.20 m KBr (strong electrolyte) (iv) 0.20 m Na2SO4 (strong electrolyte) The solution of has the highest boiling point and the solution of has the lowest boiling poin O Na2SO4; sugar O C2H4(OH)2; NazSO4 O C2H4(OH)2; KBr O Na2sO4; C2H4(OH)2

The solubility of N₂ in blood is a serious problem for divers breathing compressed air (78% N₂ by volume) at depths greater than 50 ft (see the margin note, p. 522). (a) What is the molarity of N₂ in blood at 1.00 atm? (b) What is the molarity of N₂ in blood at a depth of 50. ft? (c) Find the volume (in mL) of N₂ , measured at 25°C and 1.00 atm, released per liter of blood when a diver at a depth of 50. ft rises to the surface (kH for N₂ in water at 25°C is 7.0X10⁻⁴ mol/Latm and at 37°C is 6.2X10⁻⁴ mol/L atm; assume dof water is 1.00 g/mL).

A 250 mL beaker is filled with 100 mL of a 0.30 M solution of acetic acid (CH3COOH) and 150 mL of a 0.10 M solution of sodium hydroxide. Acetic acid is a weak acid and all solutions have been prepared in water. Which beaker diagram is the best representation of the solution obtained after the reaction is complete" Legend: Na o H₂O* CH₂COO CH,COOH B

Strontium chloride and sodium fluoride react to form strontium fluoride and sodium chloride, according to the reaction shown. SrCl, (aq) + 2 NaF(aq) SrF, (s) + 2 NaCl(aq) What volume of a 0.670 M NaF solution is required to react completely with 507 mL of a 0.440 M SrCl, solution? volume: mL How many moles of SrF, are formed from this reaction? moles of SrF,: mol

Classify each of the following aqueous solutions as non-electrolyte (NE), weak electrolyte (WE) or strong electrolyte (SE). H3PO4(aq) HCIO3 (aq) 02 Sr(OH)2 CH;OH Al2(SO4)3 Next► « Previous

Consider the following solutions:   (i) 400.0 mL of 0.10 M NaCl (ii) 300.0 mL of 0.10 M CaCl2 (iii) 200.0 mL of 0.10 M FeCl3 (iv) 200.0 mL of 0.10 M KBr (v) 800.0 mL of 0.10 M sucrose   Solution (v), the sucrose solution, has the greatest number of ions. Solution (iii), the FeCl3 solution, has the greatest number of ions. Solution (iv), the KBr solution, has the greatest number of ions. Solution (i), the NaCl solution, has the greatest number of ions. Solution (ii), the CaCl2 solution, has the greatest number of ions.

A chemist has 50.0 mL of a 18.0 M solution of HCl. She adds 100.0 mL of water for a total of150.0 mL of the diluted acid. What is the new concentration (molarity)? Equations- M = mol of solute /L of solution for molarity M 1 (V 1 ) = M 2 (V 2 ) for dilution