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Chapter 16 Solutions
Introduction to Chemistry, Special Edition
- Acrylic acid is used in the polymer industry in the production of acrylates. Its K, is 5.6 X 10“’. What is the pH of a 0.11 M solution of acrylic acid, CH2CHCOOH?arrow_forwardItem 18 18 of 20 Part A Pure acetic acid (HC,H,0,) is a liquid and is known as glacial acetic acid. Calculate the molarity of a solution prepared by dissolving 25.00 mL of glacial acetic acid at 25 °C in sufficient water to give 500.0 mL of solution. The density of glacial acetic acid at 25 °C is 1.05 g/mL. 3. 15 x 103arrow_forwardEach row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. solution initial components A B с H₂O H₂O, NaOH H₂O, NaOH H₂O initial type (check all that apply) acidic basic neutral acidic basic neutral acidic basic neutral acidic basic neutral change add KI add NaBr add H Br add HI effect of change on pH (check one) pH higher pH lower pH the same pH higher pH lower pH the same pH higher pH lower pH the same pH higher pH lower pH the samearrow_forward
- 7) An aqueous solution containing 25.0 mg of a hormone in 150.0 mL of solution with an osmotic pressure at 25 °C of 9.00 mmHg. What is the molecular weight of the hormone? 8) (a) What is the pH of a solution in which 45 mL of 0.10 M sodium hydroxide is added to 25mL of 0.15M hydrochloric acid? (b) A brand of carbonated beverage has a pH of 3.50. Calculate [H*]=?arrow_forward11. The structural formulae of two amino acids are shown below. || НООС - СH-CH, - CH-С -ОН NH2 Glutamic acid (glu) When glutamic acid dissolve in aqueous sodium hydroxide, monosodium glutamate (MSG) is formed, which is used as a flavor enhancer. Write an equation for the formation of MSG. Predict whether a solution of glutamic acid is acidic, basic or neutral. Explain your answer.arrow_forwardThe solubility product for calcium phosphate is Ksp= 1.3 × 10–26. What is the molar solubility of calcium phosphate?arrow_forward
- Ammonium chloride (NH4CI) is very soluble in water, 383 g/L at room temperature, and has a standard enthalpy of solution (dissolving) = +14.7 kJ/mol. If you had a saturated aqueous solution of NH4CI, which of the following acts would increase the NH4CI solubility? adding KOH(aq) to the solution adding HBr(aq) to the solution adding NaCl(aq) to the solution cooling the solutionarrow_forwardMethanoic acid is also called formic acid. It has the chemical formula HCOOH(l). It is a colourless fuming liquid that is mainly used as a preservative. It exhibits the following equilibrium in water:HCOOH(aq) + H2O(l) → HCOO–(aq) + H3O+(aq) 1) A 4.50 g tablet of magnesium hydroxide neutralizes 400.0 mL of stomach acid, HCl. What is the concentration of HCl in the stomach? PLEASE HELP WITH THIS ITS EXTREMELY URGENTarrow_forwardLead(II) sulfate (PbSO4) is a key component in lead-acid car batteries. Its solubility in water at 25°C is 4.25x10^-3 g/100 mL solution. What is the Ksp of PbSO4?arrow_forward
- An aqueous solution of formic acid, that is 1.00 percent by weight formic acid, has a density of 1.0006 g/mL. A student determines that the freezing point of this solution is -0.418 °C. Based on the observed freezing point, what is the percent ionization of the acid and the value of Ka? Kf for H2O is 1.86 °C/m. % ionized = % Ka =arrow_forward1) Describe how you would prepare a 500.00 mL portion of 0.25M calcium hydroxide solution starting with solid calcium hydroxide. (b) What is the pH of the solution? 2) Acetone has a vapor pressure of 183.0 mm Hg at 40 °C and a heat of vaporization of 30.8 kJ/mol. What is the vapor pressure of acetone at 25 °C? 3) (a) Calculate the molality (m) of a solution containing 75.0 gm of glycol (C2H&O2) in 250.0 gm of water. (b) What is the mass percent of glycol in this solution?arrow_forwardAt 25 °C, only 0.0500 mol of the generic salt AB is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C? AB(s) A+ (aq) + B¯(aq) Ksp = = TOOLS y x10arrow_forward
- Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning