The density of trifluoroacetic acid vapor was determined at 118.1 °C and 468.5 torr, and found to be 2.784 g/L. Calculate K, for the association of the acid. 0-H...O 2CF,CO,H(g) = CF;C CF,C(g) O----H-O

Q: How many moles of ions are in 1.75 mol of K2SO4?

A: Introduction: The charge particles present on the elements are known as ions.

Q: The density of a substance is 3.596 g/ml and has a weight of 32g. What is the volume?

A: Volume is defined as the total space occupied by a substance. Density can be defined as the…

Q: How many moles of argon are in 40.1 g of argon?

A: In this question, we have to find the number of moles of argon in 40.1 gm of argon using the formula…

Q: The pH of human blood is buffered at 7.35 to 7.45. If the [OH-] of the blood sample is 6.3x10-6,…

A: Appropriate pH levels in and around living organisms and cells are essential for life on Earth. A pH…

Q: How many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial…

A: The volume of drug solution (methadone) to be infused will be calculated by considering the volume…

Q: 439 mL of 0.270 M hydrochloric acid is exactly neutralized with 0.920 M potassium hydroxide…

A: Given Values: Volume of HCl = 439 ml The concentration of HCl = 0.270 M Concentration of NaOH =…

Q: Question is attached

A: Mole ratios are used as a conversion factor between products of the reaction and reactants of the…

Q: What is the empirical formula for a compound that is 26.56% potassium, 35.41% chromium, and 38.03%…

A: A compound's empirical formula communicates a ratio between the numbers of atoms of various elements…

Q: The specific gravity of the following compounds are: Ether – 0.715; Bromine - 3.016; Glycerin -…

A: Specific gravity: Relative density is the ratio of the density of any substance to that of the water…

Q: What mass of nitrogen monoxide would be produced by complete reaction of 17.0 g of ammonia?

A: Nitrogen oxide is a colorless gas with the formula NO. It is one of the principal oxides of…

Q: If our alloy has a composition of 90% Sn and has a temperature of 100C, determine: a) What…

A: A phase diagram is a graph that depicts a substance's thermodynamic state at various pressures and…

Q: The following data was collected for n-pentane and isopentane: Compound P, (kPa) n-pentane 282.9 at…

A: Multiple subparts are asked . I will answer the firt 3 subprts, as per guidelines. P1 = 955.9 kPa P2…

Q: Using your calculated concentration from the graph (in mol Cu2+/L) and the concentration of the…

A:

Q: Ag+ , K+ , Pb2+, Zn2+ : Classify the Bronsted-Lowry acidity of these cations

A: Brønsted–Lowry theory, known as proton theory of acids and bases. It stated  that any compound that…

Q: How many millilitres of Morphine Sulfate 15 mg / mL should the patient get if he needs to take 60 mg…

A: According to the formula,  Required Dose = D/H ×V where, D= desired dose; H=amount on hand; V=…

Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…

A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…

Q: Determine the mass of baking soda (84 g/mol) needed to completely react with 531mL of vinegar.…

A: Acid and base react to produce salt and water. In some reactions, gas may also be released (hydrogen…

Q: Convert the following pH values in both [H+] and [OH-] values. (6 points) 1. pH  =  3.95…

A: According to the definition of pH, pH = -log [H+]. According to the definition of pOH, pOH = -log…

Q: How many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?

A: Stoichiometry is a section of chemistry that involves using relationships between reactants and/or…

Q: What is the pH of a 0.00550 M solution of HCl?

A: Strong acids completely disassociated into ions in solution but weak acids do not. The pH of the…

Q: If 4.00 L of ethyl alcohol at 18.0 ⁰C is exposed to a temperature of 25.0 ⁰C, what is the resulting…

A: Initial temparature of ethyl alcohol is T₁ = 18° C = (273 +18) K = 291 K rising the temparatute to…

Q: 5. A 0.8720 g sample consisting solely of sodium bromide and potassium bromide yields 1.505 g of…

A: NaBr is sodium bromide KBr is potassium bromide  AgBr is silver bromide Molecular weight, Na=23…

Q: 00 ml total solution, the resulting stren 5..?

A: A pharmaceutical medicine is a chemical substance that causes a biological or physiological effect…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: Given Reactants: Sodium Hydroxide (NaOH) Potassium Permanganate (KMnO4) Glucose (C₆H₁₂O₆) Find…

A: A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and…

Q: Given the balanced equation, Na2SO4(aq) + BaCl2(aq) → 2 NaCl(aq) + BaSO4(s), how many moles of BaCl2…

A: Balanced equation: Na2SO4+ BaCl2------> 2NaCl + BaSO4

Q: You will be given a stock solution of the dye EVANS BLUE dissolved in distilled water whose…

A: Scientists use molarity to describe the concentrations and it tells us how much solute is dissolved…

Q: At what pressure in atm does ethane (C₂H₆) have a density of 37.2 g/L at 75.0 °C?

A: The pressure of the ethane gas can be calculated by the ideal gas equation. PV = nRT Number of moles…

Q: Ferrous sulfate is one dietary supplement used to treat iron-deficiency anemia. What are the…

A: Ferrous sulfate is an essential supplement, which is required by our body. It plays important role…

Q: Which of the following liquid substances exhibit the highest viscosity at 25 ºC? A.…

A: Organic molecules are molecules made of carbon, hydrogen, and oxygen. The organic molecules are…

Q: Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH,CH,CO,H, pK, = 4.874).…

A:

Q: Determine the molar mass of Mg(OH)₂. Provide an answer to two decimal places.

A: Molar mass is calculated with the help of atomic masses.

Q: A 35 mL of solution of hydrochloric acid is neutralized by 15 mL of 0.5 M potassium hydroxide. What…

A: Hydrochloric acid is the strongest base that will react with potassium hydroxide to produce water…

Q: given a stock solution of 10% dextrose, how would you make 5 mL of a 0.9% dextrose solution? find mL…

A: Given Values: The concentration of the stock solution of dextrose = 10% Concentration of the final…

Q: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…

A: Mole fraction is expressed in the terms of moles. It is can be calculated from the formula that is…

Q: What is the empirical formula of a compound that contains 72.0% carbon, 12.0% hydrogen and 16.0%…

A: Empirical formula  It is the formula of a compound in which the exact number of each atom is not…

Q: The k of water is 1.86 kg °C/mol, approximately 4x the value of k,. If you attempted to freeze your…

A: Freezing point depression is a colligative property and it is noticed in solution when solute…

Q: What is the total anion concentration (in mEq/L) of a solution that contains 5.0 mEq/L Na+ , 12.0…

A: Introduction: The ionic concentration is the mole ratio between the dissolved substance and the…

Q: How do you think fluorocitrate can be formed?

A: Fluorocitrate is the fluorinated carboxylate ion that is derived from citric acid by substitution of…

Q: A sample of 0.6760 g of an unknown compound containing barium ions (Ba2+) is dissolved in water and…

A: The chemical reaction between barium ions and sodium sulfate is: Ba2++Na2SO4→2Na++BaSO4

Q: Calculate the mass of a liquid with a density of 3.2 g/mL and a volume of 25 mL

A: The amount of matter present in a substance is defined as its mass. It is independent of its…

Q: What is the mass in grams of 24.2 moles of NaCl?

A: Moles can be stated as amount of any substance, which is measured in grams, liters, atoms, or…

Q: What is the pH of the following buffer mixtures?                                            (a) 100…

A: Given values: (a) Volume of acetic acid = 100 ml Concentration of acetic acid = 1 M Volume of sodium…

Q: Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3 NO2(g) +…

A: Nitric acid is a nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy…

Q: How many liters of a 7 M NaOH stock solution would you need to make 780 mL of a 153 mM NaOH…

A: Molarity is defined as the number of moles of solute present in a liter of solution.  Molarity =…

Q: With the Boltzmann distribution, the population of electrons that correspond to the en- ergy levels…

A: Asked : Boltzmann distribution doesn't give population of electrons corresponding to energy levels

Q: If I put 80g of NaOH in 0.5L of H2O, what is the molar out of solution?

A: Molarity is the concentration of the solution that is defined as the number of moles of the solute…