. What is the pH of a solution that contains 0.2 M HCN and 0.1 M Ba(CN),? The Ka for HCN is 6.2x10-10

Q: How many milliliters of a 1:50 wiv boric acid solution can be prepared from 500 ml of a 12% wiv…

A: Given C1 (%w/v )= 1:50 =  150×100= 2% C2= 12% Q2= 500 ml Q1=? ml Here, C1 ,C2 represents %w/v for…

Q: In class we are learning about solubility, electrolytes both strong and weak. I totally get it.…

A: A nonelectrolyte is a compound that does not conduct an electric current in either aqueous solution…

Q: Data Fill in the time and temperature for each solution: Solution Temperature ("C) Time (s) 17.9°C 1…

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Q: A buffer is made up of 15.0 mL of 0.1 M of HC2H3O2 and 15.0 mL of 0.1 M N a C2H3O2. The solution is…

A: The pKa term usually depicts strength of particular acid. Each acid holds fixed pKa value which…

Q: 2. How many ml of 0.2 M HCI needs to be added to 100.0 ml of 0.2 M Sodium acetate (kb for acetate is…

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Q: 9. How would you make 500.0 ml of 0.10 M NaOH?

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Q: 1 What mass of solid radium sulfate (the most insoluble compound known) will remain when 10 L of a…

A: The answer to the following question is-

Q: 1. A 0.68 gram sample of a volatile liquid was heated to 358 K. The gas occupied 265 mL of space at

A: Note: Dear student as per the guidelines only the 1st quetions  is allowed to answer. from ideal gas…

Q: 2H₂(g) + O₂(g) + 2H₂O (g) + energy (heat) 3. Pressure (Recall Gizmo activity: Equilibrium and…

A: For the given equilibrium system 2H2(g) + O2(g) ---------> 2H2O(g) + Heat energy i.e.  system is…

Q: units in the first column. Tablet identity (brand) Tums Titration Tablet 1 Mass of tablet/sample (g)…

A: Volume of NaOH = final reading - initial reading                             = 48.7 - 30.3…

Q: 7) A solution is prepared by dissolving 70.0 g of sucrose, C12H22011, in 220. g of water at 25°C.…

A: Note - Since you have asked multiple question, we will solve the first question for you. If you…

Q: Be sure to answer all parts. Determine the concentration of an aqueous solution that has an osmotic…

A: Given that: Osmotic pressure = 4.1 atm Temperature = 37°C = 310 K Concentration of glucose solution…

Q: Calculate the molarity, M, of KCl when 2.65 g KCl are dissolved in 2.50 ×x 10° mL of solution. Enter…

A: Given- Weight of KCl= 2.65g Volume of solution=2.50×10^3 mL=2.50L Molarity of solution=?

Q: You are given an 18% solution of sodium imidazole. What mass of imidazole (in g) would be in 20 mL…

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Q: The following buffered solutions were prepared. To 50.00 ml of the following buffered solutions,…

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Q: a) When 5.14 grams of Magnesium Chloride are added to 50 g of water, what would be the expected…

A: Given: Mass of water = 50gmass of Magnesium Chloride, m=5.14gAlso  we know that, molar mass of…

Q: The amount of water which should be added to 0.700 M NaOH solution to make 100 mL 0.250 M solution…

A: The dilution is done to the solution to decrease the concentration. The concentration is decreased…

Q: Calculate the molarity of a solution that contains 324 grams of KNO3 (molar mass of KNO3 =86 g/mole)…

A: Given information,    Mass of KNO3 is 324 grams.    Molar mass of KNO3 is 86 g/mole    Volume of…

Q: Questions: 1. CHM-202 Lab 2 Freezing Point Depression Rev2 G6-2022 10/14 From your understanding of…

A: Hi! Thank you for the question As per the honor code, We'll answer the first question since the…

Q: A student prepares a 1.4M aqueous solution of benzoic acid (C,H,CO,H). Calculate the fraction of…

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Q: Compare combustion of Benzene and Xyler e in sufficient supply of air. Which one will produce more…

A: The combustion of organic compounds produce Carbon dioxide and water.  The more the Carbon content…

Q: A CHM 126 student followed a modified procedure similar to the one described in the "Determination…

A: Given Mass of the solvent, freezing point of pure solvent and solution, freezing point depression…

Q: 2 1/1 point Barium sulfate is a contrast agent for X-ray scans that are most often associated with…

A: Step 1:

Q: Calculate the wt% of a 2.50m Pb(NO3)2 aqueous solution.

A: The molality of the solution can be described as the ratio of moles of substance to the mass of the…

Q: 1. What is the concentration (molarity) of a solution made from 0.62 moles of NaCl and 500mL of…

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Q: 2) Choose the aqueous solution that has the lowest melting point. These are all solutions of…

A: Ans) 0.125m NaNO3

Q: Data Sheet sample calculation for the solubility of KNO, using your actual mass from tube #1.…

A: Given: Solution # Recommended mass of KNO3 (g) Actual mass of KNO3 (g per 5 mL H2O) g KNO3100 g…

Q: "Solution 1" is made from the addition of water to a portion of the 0.0500 M  Fe3+ " prototype"…

A: Given, Molarity of prototype solution = 0.05M Fe3+. Volume of prototype solution = 10.0mL. Volume of…

Q: 5.00 ml of the 1.0 x 10-4 M CV stock solution is first diluted to 100.ml. Then 1.00 ml pf this…

A: The objective of this question is to find the final concentration of the solution after two…

Q: A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0%HNO, by mass. What…

A: Given: Density of concentrated nitric acid=1.41g/mol Mass percentage of nitric acid=70.0% Formula:…

Q: 8) Determine the freezing point of a solution that contains 63.8 g of naphthalene (C10H8, molar mass…

A: 8)  Given, Mass of naphthalene (C10H8) = 63.8 g Molar mass of naphthalene = 128.16 g/mol Volume of…

Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: 57.0 mL aliquot of a 0.500 M stock solution must be diluted to 0.100 Assuming the volumes are…

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Q: Express the concentration of a 0.0160 M aqueous solution of fluoride, F, in mass percentage and in…

A: 1) Concentration of aqueous solution of 0.0160 M of fluoride.2) density of the solution is 1.00 g/ml

Q: Question 3- Pharmaceutical Calculations. A. If you know that sodium bicarbonate has a solubility of…

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Q: A 50X stock of Bradford reagent would have to be diluted to a 1X working solution prior to use. How…

A: The solution whose concentration is known and used as a standard solution is called a stock…

Q: 5. Consider the orbitals shown below. (x) 0.0 (y) 88 (z) a. What is the maximum number of electrons…

A: As per the student's request I am solving only question number a-c.

Q: An 7.50 ml aliquot of a 125 ppm stock Red 40 dye solution was diluted to a final volume of 25.0 mL…

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Q: Q1\ Asaturated solution of potassium chloride in 20cº. Calculate %w\w and (M) concentration if it…

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Q: Which solution has the highest boiling point? O 0.40 M CUSO4 O 0.40 M CH3OH O 0.40 M MgCl2

A: We have to find here that which of these three has the highest boiling point? We can discuss it as…

Q: 2. Calculate the [I] (after dilution in the 50.00 mL flasks) for the four standard solutions you…

A: With dilution concentration of a substance decreases.

Q: Six 50.0 ml volumetric flask 1 through 6 are labeled. 10.00 ml of 2.00 x 10-1 M Fe(NO3)3 solution…

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Q: NeC 2. Another common unit of concentration is % mass/volume (m/v). Calculate the % mass/volume for…

A: Since you have posted multiple questions, we will answer only first one for you. If you want any…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.