Trial 1 Trial 2 Trial 3 Volume of sample 10mL 10mL 10mL Volume of added 90mL 90mL 90mL distilled water Volume of sodium 9mL 9mL 9mL sulfate Weight of filter 1.06 g 1.08 g 1.07 g раper Weight of filter 35.6525 35.6565 35.2351 раper + evaporating dish+ precipitate after drying Weight of evaporating dish 34.4306 34.4325 33.9914

Q: A 0.218 g sample of impure NaOH requires 17.4 mL of 0.2894 M HCl for neutralization. What is the…

A: When acid reacts with base, it forms salt and water. This reaction is known as neutralization…

Q: The concentration of a solution is decreased by adding water to it. True O False

A: We know that,  The concentration of the solution is given by: Molar concentration =no of moles of…

Q: The acid secreted by the cells of the stomach lining is a hydrochloric acid solution that contains…

A: Answer: The concentration of the solution is 0.155 M.   Given,      Moles of HCL=0.00774 mol…

Q: Assume the molar masses are 67.96 g/mol and 44.01 g/mol, respectively, for LIHCO3 and CO₂. Calculate…

A: We have to calculate the minimum number of moles of LiHCO3 needed :

Q: What is the significance of rations of strengths of acids and bases? Explain thoroughly

A: The relative strength of an acid or base is the extent to which it ionizes when dissolved in water.…

Q: Write an activity to know the reaction of bases with metals.

A: For the activity to know the reaction of bases with metals. We have to required the some material…

Q: ) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is : a) 0.75M b) 1. 04M c) 1.25M…

A: Mass of NaOH = 5 g  Volume of solution = 120 mL  = 0.120 L  Molarity = ?

Q: The maximum amount of calcium phosphate that will dissolve in a 0.176 M sodium phosphate solution is…

A:

Q: Determine the molar concentration of four moles of hydrogen chloride(HCl)dissolvedin 2500ml of…

A: Given, Number of moles of HCl = 4 moles Volume = 2500 ml = 2.5 L

Q: 177mL of an unknown solution of NaOH is titrated with 8.1M HCl until neutralized. The resulting…

A: Given: The volume of NaOH is 177 mL. The molarity of HCl is 8.1 M. The mass of the evaporated…

Q: How did the conductivity of a “weaker” weak base differ from a strong base? Why?

A: Strong bases completely dissociate into ions. Hence, they are strong electrolytes. On the other…

Q: An aqueous potassium carbonate solution is made by dissolving 5.84 moles of K2CO3 in sufficient…

A: The objective of this question is to calculate the molarity of a potassium carbonate (K2CO3)…

Q: What is the concentration of lithium ions in 0.395 M Li HPO,?

A: The volume of the solution remains constant. When Li2HPO4 dissolve, it gives rise to two moles of…

Q: Explain why salt is scattered on roads and sidewalks on a snowy day.

A: Some properties of solution depend on the amount of solute present in the solution. Those properties…

Q: Acetic acid is classified as a weak acid because it O completely ionizes in water O does not…

A: We know that, Acid are generally classified into  2 category: Strong Acid: These are the acids which…

Q: b) Ph CN 1) MeLi 2) NaBH4 3) PBr3 4) Mg 5) CO₂ (dry ice)

A: Given that, a reaction sequence is shown below We have to give the final product of the above…

Q: why salt is scattered on icy roads?

A: Salt is scattered on icy roads during the winter season to melt the ice and clear the roads.

Q: 33.82 ml of an HNO, solution of unknown molarity requires 29,95 ml of 0.100M NaOH solution to be…

A: Let M1 is the molarity and V1 is the volume of HNO3 and M2 is the molarity and V2 is the volume of…

Q: concentration

A:

Q: Describe two ways to express the concentration of a solution.

A: The two ways that are used to express the concentration of a solution is Molarity and Molality.

Q: РОН (35) (39) H* Molarity (36) 1*107 OH Molarity (37) (40) pH 3 (38)

A: Fill in the blanks with suitable formula---

Q: How will the concentration of ammonia solution in water change when heated?

A:

Q: How many mL of 0.1234M sodium hydroxide solution are needed to completely titrate 125.5mL of 2.111 M…

A: Sodium hydroxide reacts with phosphoric acid to produce sodium triphosphate and water as follows:…

Q: 2.37 L solution containing 1.30 mol L-1 potassium hydroxide (KOH) has been left on your bench. How…

A: Given-> Volume of KOH = 2.37L Molarity of KOH = 1.30 mole/L

Q: 19.5.0 cm3 of a solution of KOH is exactly neutralised by 10.00 cm' of a solution of HCl of…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: Calculate the moles of CH3COOH in 15.25 mL of 0.76 M CH3COOH solution.

A: We know  Molarity = moles of solute / volume of solution in liters  Unit of molarity = M = mol/l…

Q: 3. If the solution with the pH of 2.30 had a concentration of 0.05 M, what is the percent ionized…

A: P.S.: According to the company guideline we have to answer the first question. So, please kindly…

Q: If the buret used to fill the antacid solution contained water inside, would the concentration of…

A: Titration is the quantitative analysis, where the solution in the burette is titrated with the…

Q: A 0.5 g of a sample of an acid was dissolved in water and neutralized to 25 mL of 0.025 N NaOH.…

A: Mass of acid = 0.5 gram  Volume of acid = 25 ml = 0.025 litre  Normality = 0.025 N  To Calculate :…

Q: calculate the mass of the primary standard sodium carbonate necessary to react with 25 mL of .1 HCL

A: Given: The volume of HCl =25 mL Concentration of HCl =0.1 M To Calculate: Mass of the primary…

Q: What type of reaction(s) do two salts typically undergo? Explain.

A: Salts usually contain ions or in words, they are made up of ions and are generally ionic compounds.…

Q: Please don't provide handwritten solution ....

A: Step 1:Step 2:Step 3:Step 4:

Q: What is the concentration of potassium ions in a solution which is 0.836 M in potassium phosphate?

A: The complete dissociation reaction of K3PO4 is,

Q: normality of the acid?

A:

Q: What mass of barium hydroxide contains 0.50 moles of hydroxide ions? To buscad

A: In the given question->Moles of hydroxide ion = 0.50 molesFirst of all we should calculate moles…

Q: Calculate the concentration in (M) of the unknown NaOH solution in the fourth case. NaOH volume (mL)…

A: The objective of this question is to calculate the concentration of the unknown NaOH solution using…

Q: During a certain titration, it took 62.2 mL of 0.626 M strontium hydroxide to exactly neutralize…

A: Strontium hydroxide [Sr(OH)2] is a strong base and Perchloric acid (HClO4) is a strong acid. They…

Q: A 40.0 mL solution of KOH is neutralized with 31.3 mL of 0.300 M HCl. What is the concentration of…

A:

Q: calculate the concentration of a solution prepared by diluting 43 ml of 6.0 M NaOH to 131 ml.

A: General chemistry.

Q: concentration of the acid

A:

Q: You have 500mM stock of Tris base. What volume of this stock solution should be added to water to…

A: Solution is given below in next step

Q: A 0.212 g sample of impure NaOH requires 18.2 mL of 0.2879 M HCl for neutralization. What is the…

A: Volume of HCl = 18.2 ml  Molarity of HCl = 0.2879 M  Mass of impure NaOH = 0.212 gm

Q: Calculate the concentration of sodium hydroxide from the following data. Record your answer in…

A: Given, mass of potassium hydrogen phthalate = 0.514 g volume of NaOH = 22.79 mL

Q: Draw a picture to represent the molecular view of the dissociation of HNO3 in water.

A:

Q: What volume, in milliliters, of a 0.175 M HCI solution is needed to neutralize 8.75 mL of 0.500 M…

A: