A tablet containing 500 mg of aspirin was dissolved in enough water to make 100 mL of solution. Given that Ka = 3.0x10^-4 for aspirin, what is the pH of the solution?

Q: Which of the compounds CH3CO2H, Mg(OH)2, CsOH, and HI behave as bases when they are dissolved in…

A: We can verify this thing simple one rule: If the compound releases H+ ion in aqueous solution, it is…

Q: If 0.3041 g of a diprotic solid acid is neutralized by 35.45 mL of 0.0997 M NaOH, calculate the…

A: Given, 0.3041 g of a diprotic solid acid 35.45 mL of 0.0997 M NaOH

Q: Calculate the pH of each solution.

A: Any solution's pH is computed by making utilization of [H+] ion concentration exist in solution. For…

Q: If 10.0 mL of hydrochloric acid is titrated by 16.4 mL of NaOH that has a concentration of 1.7 M,…

A:

Q: A solution is made by dissolving 35.5 g of Ba(NO₂)₂ in 500.0 mL of water. Using Kb(NO₂⁻) = 2.2 ×…

A: Ba(NO2)2 is a salt which is mixture or strong base or weak acid so use pH of salt formula to get…

Q: What is the molar concentration of hydronium ions in a sample of a soft drink that has a pH of 4?

A: Given: A soft drink has a pH 4.

Q: Write the acid ionization reaction for H2S04-

A: H2SO4 (sulfuric acid) is a diprotic acid which means it has two ionizable or replaceable protons.

Q: 6) What is the pH and pOH of a solution with a [OH] of 7.79 X 10* M? Is the solution acidic, basic…

A:

Q: 6. What is the pH of 0.2L of blood? Is it acidic or basic?

A: since you have posted multiple questions, we are entitled to answer only one question in a session,…

Q: it takes 15.0 mL of 0.40 M NaOH to neutralize 5.0 mL of HCl, what is the molar concentration of the…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: Molarity of a solution may b defined as the ratio of number of moles to the volume of solution in…

Q: If a sample of calcium carbonate requires 22.50mL of 1.25 HCl to neutralize it, how many grams of…

A: Given information: Volume of the solution = 22.50 mL Concentration of the HCl solution = 1.25 M

Q: What is the pH of a solution with a hydrogen ion concentration of 1.3 x 10-11?

A: Value of pH is used to measure the acidity or basicity of a solution. Value of pH at room…

Q: The H3O+ concentration in coffee is about 1 X 10-5 M. What pH is this?

A: The pH of a solution is equal to –log[H+] where [H+] is the concentration of hydrogen ions present…

Q: You want to make up 2.90 L of aqueous hydrochloric acid, HC1(aq), that has a pH of 2.00. How many…

A: Since HCl is a strong acid  hence it will dissociate completely into H+ ion  Hence concentration of…

Q: Consider a solution of 235 mM acetic acid (pKa = 4.76). What would be the pH of this solution? And…

A:

Q: 7. What volume of 0.120 M NaOH will neutralize half of a 53.8 mL solution of 0.07 M propionic acid,…

A: Balanced chemical equation: NaOH  +  CH3CH2COOH   ------>   CH3CH2COONa  +   H2O Number of mmoles…

Q: What is the pH of a solution that has an H* concentration of 1.50 x 10° mol/L

A: Given that: [H+] = 1.50 × 10-5 mol/L

Q: Why does boric acid function as such a very weak monobasic acid?

A:

Q: A 0.261 g sample of NaHC2O4 (one acidic proton) required 17.5 mL of sodium hydroxide solution for…

A: The complete balanced Chemical Reaction is - NaHC2O4 + NaOH ----> Na3C2O4 + H2O Thus, one mole of…

Q: The molar concentration of OH- in a water solution is 4.2× 10−12 M. What is the concentration of H+…

A: Water always stays in equilibrium as: H2O ⇌ H+ + OH-   The ionic product of water (Kw) is defined as…

Q: What is the molarity of nitric acid solution if 43.33 mL of 0.1000 M Ca(OH)2 solution is needed to…

A: Given  Volume of Ca(OH)2      = 43.33 mL  Molarity of Ca( OH )2  = 0.1000 M  Volume of Nitric Acid =…

Q: Write the net-ionic reaction that occurs between Na2HPO4 and NaOH (an acid-base reaction)

A: Write net-ionic equation of the given acid-base reaction---

Q: 11 If 85.00 ml of Sulfuric acid is mixed with 32.5 ml of 1.35 M Rubidium hydroxide, will the final…

A: The solution is acidic, basic, or neutral can be decided by the equivalents of acid and base…

Q: The pH of saliva is about 7.40 that means the concentration of Hydrogen in it is about: [H+] = x 10

A: The pH of a solution is the negative logarithm of hydrogen ion concentration. It can be written as:…

Q: If it takes 46 mL of 5.1 M KOH to neutralize 470 mL of sulfuric acid (H2SO4) solution, what is the…

A:

Q: caculate the pH of a solution in which [OH─] = 3.1 x 10-3 M

A:

Q: The antacid milk of magnesia contains 400.0 mg of Mg(OH)2 per teaspoon. Calculate the volume (in mL)…

A: Balanced chemical equation: Mg(OH)2  +  2HCl  ----->  MgCl2  +  H2O Number mmol of HCl = 2 x…

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: IMPORTANT POINTS: Firstly 25 ml  of the stock solution was taken , which was titrated with HCl…

Q: A 20.0 mL solution of NaOH is neutralized with 37.0 mL of 0.200 M HBr. What is the concentration of…

A: NaOH  +   HBr  ------->   NaBr  +   H2O So, number of moles of NaOH = number of moles of HBr…

Q: The alkalinity of a river was determined to be 5 x 10-3 mol H+/L and its pH is 8. Calculate the…

A: The term alkalinity may be explained as the technique which is used to examine the water potential…

Q: 2. What is the pH of a 0.01 M HNO3 solution? What is the ratio of acid to conjugate base for this…

A: (1) The dissociation of the given acid can be given as: The concentration of the acid is 0.01 M.…

Q: Calculate the pOH of a solution that has [OH-] = 3.6 x 10 -5 M

A: pOH of any solution is given by  pOH = -log[OH- ]  where [OH- ] = concentration of OH- ions in M

Q: What volume of 0.50 M KOH would be required to neutralize completely 500 mL of 0.25 M H 3 PO 4…

A: Given data contains, Molarity of potassium hydroxide is 0.50 M. Volume of H3PO4 is 500 mL. Molarity…

Q: Calculate the pH of a solution that is 1.25 M H3A. For H2A, Ka = 8.1 x 10-7.

A:

Q: Calculate the pH of a 0.37 M solution of sodium hydrogen sulfite,  (6.0x10^-8). pH =

A: The pH of a 0.37 M solution of sodium hydrogen sulfite is to be determined. (Ka = 6.0x10-8).

Q: Given this equation, Sr(OH)2(s)-Sr2* (aq) + 20H (ag), what is the pH of a 2.5 X 10-4 M Sr(OH)2…

A: Given,  The chemical equation,  Sr(OH)2(s) ------> Sr2+(aq) + 2OH-(aq)  Concentration of Sr(OH)2…

Q: The concentration of H3O+ ions in a brand of vegetable juice is 7.3x105 M. What is the pH OF the…

A: The concentration of H3O+ ion in vegetable juice = 7.3 × 10-5 M  pH of the juice = ?

Q: A 35.0 mL solution of NaOH is neutralized with 31.4 mL of 0.250 M HCl. What is the concentration of…

A: we will write the chemical equation first HCl (aq) + NaOH (aq) -> NaCl (aq)+ H2O(l) we are given…

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: We have around us various solutions. It consists of the dissolution of several compounds. Both sides…

Q: Complete the balanced chemical equation for the following reaction between a weak acid and a strong…

A: • HCN, Hydrogen cyanide is a weak acid.     • Ca(OH)2 , Calcium hydroxide is a strong base.

Q: If a 1.5 L sodium hydroxide solution contains 38g of NaOH, what is the pH of the solution?

A: We have to calculate the pH of Solution.

Q: Calculate the molarity of an aqueous nitric acid solution if it requires 35.6 mL of 0.165 M NaOH…

A: Given : Volume of NaOH solution required = 35.6 mL Concentration of NaOH used = 0.165 M And volume…

Q: а. What is the hydroxide ion concentration in a solution of sodium hydroxide having a pH value of…

A: Given, pH of NaOH(sodium hydroxide) solution is ------- 11.6 Since, pH+pOH=14⇒pOH=14-pHand…

Q: What volume of 0.150M HNO3 solution is needed to exactly neutralize 35.0mL of 0.150M NaOH solution?…

A: Nitric acid reacts with sodium hydroxide to form sodium nitrate and water. The equation for the…

Q: A patient’s sputum was collected for a laboratory analysis. The results revealed that the [H3O+]…

A: Given data contains, The concentration of hydronium ion is 5.2 x 10-7 M.

Q: A solution of vinegar corresponds to about 0.400 M. At this concentration, with Ka = 1.8 x10-5 ,…

A: Given: The concentration of vinegar solution = 0.400 M Ka = 1.8 x10-5 We have to calculate the pH of…

Q: A 25.0 mL solution of HBr is neutralized with 14.9 mL of 0.105 M Sr(OH)2. What is the concentration…

A: Given, Volume of HBr solution = 25.0 mL Volume of Sr(OH)2 solution = 14.9 mL Concentration of…

Q: 6 A solution of NaOH has a pH of 10.50. How many grams of CaO should be dissolved in sufficient…

A: To solve this problem we have to first calculate the concentration of OH- by using the pH of NaOH…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.