# Calculate the solubility (in grams per 100 mL of solution) of magnesium hydroxide in a solution buffered at pH = 12.

78,446 results

**chemistry**

What volume of a 0.34M MgCL2 solution is required to make 250ml of a 0.10M solution by dilution?

**Chemistry**

what would be the molarity of a KOH solution if 15 mL of the solution required 22.3 mL of 0.085 M HCl to react with the base?

**Chemistry**

If 3.2 moles of NaCl are dissolved in enough water to make a 0.98-liter solution, what is the molarity of the solution?

**Chemistry**

A solution is prepared with 50.0g of HNO3 and 130.0g of H2O. It has a density of 1.21g/mL. What is the total volume (mL) of the solution?

**Chemistry**

1.69 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the solution?

**Chemistry still don't understand the answer**

How many ml of a 2 M solution of HCL would be needed to neutralize 2 ml of a 5 M solution of KOH?

**Chemistry**

Show that the pH of a solution is -0.301 when its hydronium-ion concentration equals 2 M. Is the solution acidic or basic?

**Chemistry**

What is the pH and pOH of a solution that was made by adding 400mL of water to 350mL of 5.0x10^-3 M NaOH solution?

**Biochemistry**

what will be the pH of a buffer prepared by mixing 600 ml of 0.1M sodium acetate solution and 40 ml of 0.2M acetic acid solution

**chemistry**

a solution is prepared by dissolving 02.50 mole of Ba(OH)2 in enough water to get 4.00 L of solution. What are the OH- and H3O+ molar concentrations?

**Chemistry**

what is the pH of a 0.025 M aqueous solution of sodium propionate, NaC3H5O2? What is the concentration of propionic acid in the solution?

**chemistry**

A 500.0 ml sodium iodide (Nai) solution contains 31.7g of Nal. what is the molar concentration of the solution?

**chemistry**

The density of a 2.45 M aqueous methanol solution is .976 g/ml. what is the mass of water present in 1.00 liter of this solution

**Chemisrty**

How many milliliters of a 2.0M NaOH solution are needed to neutralize 20.0 ml of a 2.5M CH3COOH solution? How do I begin to figure this out?

**chemistry**

how many millimeters of a 2.0M NaOH solution are needed to neutralize 20.0ml of a 2.5M CH3COOH solution? How do I figure this out?

**chemistry**

12 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.08 M C2H3O2-. What is the pH of the resulting solution?

**7th grade Algebra**

4w-9(6-5w)=44;w=3 decide whether the given value is a solution of the equation if not find the solution

**chemistry**

How many milliliters of a 110mL solution of 1.5 M AlCl3 must be used to make 70mL of a solution that has a concentration of 0.2M Cl–?

**Chemistry**

What is the mass percent of NaCl in a solution obtained by mixing 50g of this solution with 215g of H20?

**chemistry**

What is the pH of a solution in which 378 mL of HCL, measured at 27.5 degrees celcius and 1.02 atm, is dissolved in 1.5 mL of aqueous solution?

**Math; PLEASE HELP.**

Tell whether the linear system has ONE SOLUTION, NO SOLUTION, or INFINITELY MANY SOLUTIONS. 4x-y=2 -x+3y=9

**Chemistry**

If 38.33 mL of a standard 0.1667 M Ba(OH)2 solution is required to neutralize exactly 52 mL of H2SO4, what is the molarity of the acid solution?

**Chemistry**

A saturated solution at 25 C contains 10g of kclo3 in 50 ml of water. At what temperature does the solution become unsaturated?

**Chemistry**

a 0.250 mol sample of HX is dissolved in enough water to form 655mL of solution. If the pH of the solution is 3.44, what is the Ka of HX.

**algebra**

use elimination method to solve. A+6b=14 A+2b=2 does it have (a)one solution (b)Infin. many sol (c)no solution

**chemistry**

What is the pH of a solution prepared by dissolving 12.2 g of benzoic acid in enough water to produce a 500 mL solution?

**chemistry**

detail how to dilute a stock solution of nitric acid, 81 m HNO3, to prepare 675 ml of a 2.5 M solution

**Chemistry pls help!!**

A 32mL solution of 2.7M NaCL is mixed with 83mL of 1.8M HCL. What is the molaritt of the CL in the new solution. Thank you for your help

**Biology**

If a solution A has 10,000 times as many H+ ions as solution B, what is the difference in pH units between the two solutions?

**science**

If a solution A has 10,000 times as many H+ ions as solution B, what is the difference in pH units between the two solutions?

**chemistry**

what is the molarity of a solution prepared by dissolving 63.0 g NaF in enough water to make 250.0 mL of solution?

**chemistry**

explain why a precipitate forms when silver nitrate solution is added to sodium chloride solution?

**pharmacy math**

if 500 ml of a 15% solution is diluted to 1500 ml, how would you label the final strength of the solution?

**Chem 111**

Why would NaOH solution need to be added when preparing the K2CrO4 stock solution

**Math: PLEASE HELP**

3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you

**Algebra**

Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.x = –0.24 B.x = –4.24 C.4.24 D.no solution I think it is D...?

**science**

10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2-. What is the pH of the resulting solution?

**chemistry**

1L of a .2M solution of Ethanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution

**achem**

1L of a .2M solution of butanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution?

**Chemistry**

What is the molarity of a sucrose solution that contains 76.7 g of C12H22O11 (342.34 g/mol) dissolved in 138.2 mL of solution

**Analytical Chemistry**

calthe culate mass of 10% stock solution required to prepare 0.8kg of 4%solution

**chemistry**

Mole fraction of NaOH is aquous sol 0.15 Find molarity of the solution, %w/w, if the density of solution is 1.25 g/ml

**chemistry**

If you dilute 10.0mL of the stock solution to a final volume of 0.350L , what will be the concentration of the diluted solution?

**AP Chemistry- Acids**

What is the pH of a solution obtained by adding 145mL of 0.575M HCl to 493mL of a HNO3 solution with a pH of 1.39?

**algebra**

Solve the inequality graph the solution set 26+6b>2(3b+4) answers are all real numbers, b<1 1/2, b>1 1/2,, no solution

**algebra**

Solve the inequality graph the solution set 26+6b>2(3b+4) answers are all real numbers, b<1 1/2, b>1 1/2,, no solution

**chemistryyyy**

a. What is the pH of a 6.1 ✕ 10-5 M Ca(OH)2 solution? b. What is the H3O+ concentration of the solution? I just cant figure out the ionic equation.

**algebra**

Solve the inequality graph the solution set 26+6b>2(3b+4) answers are. All real numbers, b<11/2, b>11/2, no solution thanks

**Algebra**

Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. (1 point) • x = –0.24 • x = –4.24 • 4.24 • no solution

**chemistry**

What volume of a 0.610 M NH4I solution is required to react with 525 mL of a 0.300 M Pb(NO3)2 solution?

**chemistry**

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution

**chemistry**

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution?

**chemistry**

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution?

**chemistry**

a student measures the conductivity of a KNO3 solution and determines it to be a strong electrolyte.what species are in solution?

**Chemistry**

if 5.00 ml of 1.66x10^-1 M HCl solution is diluted to exactly 250.0 ml with water, what is the concentration of the resulting solution?

**Chemistry**

Is the boiling point of 0.01 m potassium fluoride solution higher or lower than that of 0.01 m glucose solution? Explain

**chemistry**

You have 14.0mL of a 0.12M NaOH solution. How many moles of HCl will it take to neutralize this solution?

**Calculus**

Find the general solution for the differential equation. Leave your solution in implicit form. dx/dt=(2-x)sqrt(1-x)

**chemistry**

If a solution is made 0.080 M in Mg(NO3)2, 0.075 M in aqueous ammonia, and 3.5 M in NH4NO3, will Mg(OH)2 precipitate? What is the pH of this solution?

**Chemistry**

What volume (in mL) of 0.55 M Na2SO4 solution is needed to precipitate all the barium, as BaSO4(s), from 15.5 mL of 0.25 M Ba(NO3)2 solution?

**chemistry**

10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2-. What is the pH of the resulting solution?

**Hindu Vidyapeeth**

Find the molarity of solution in which 69g nitric acid is present in 500ml of solution ?

**Chemistry**

6.00 g of NaOH are dissolved in water to make 4.00 L of solution. What is the concentration of hydronium ions, [H3O+], in this solution?

**Engineering**

For what values of (¢ belongs to R) the following system of equations has (1)no solution (2)a unique solution (3)infinitely many solutions? (5-¢)x+4y+2z=4 4x+(5-¢)y+2z=4 2x+2y+(2-¢)z=2

**Chemistry**

What is the concentration of lead ions in a solution if they are completely precipitated from 36.3 mL of solution by 29.6 mL of 0.35M potassium iodide.

**Chemsitry**

You are given a colored solution that is labeled 1M. You need to prepare a solution from this that is 0.5 M. Describe your procedure in detail.

**chemistry**

a 10.0 ml sample of a hcl solution is titrated with 32.6 ml of a 0.155 m naoh solution. what is the equation for the neutralization reaction?

**Chemistry**

A concentrated H2SO4 solution is 10.5 M. You have to make 255 mL of 0.650 M solution. How would you prepare it?

**Chemistry**

An aqueous solution of a molecular compkind freezes at -0.086 degrees Celsius. What is the molality of the solution?

**Chemistry**

Please sir solve this... 6.3 gm of oxalic acid (eq. Wt.=63) is dissolved in 500 ml solution what will be the normality of the solution?

**chemistry**

1.20 L of a solution that is 15.0 % of Pb(NO3)2 by mass (the density of the solution is 1.16 g/mL), starting with solid solute. how would you prepare this?

**Chemistry- Dr.Bob222**

Determine [H30+], [OH-], and pH. A solution that is 0.655% HNO3 by mass (assume a density of 1.01 g/ mL for the solution).

**Chemistry**

Determine the pH of a solution made by diluting 25mL of 6.0 M HCl until the final volume of the solution is 1.75 L

**chem**

What volume of a 0.430 M NH4I solution is required to react with 289 mL of a 0.560 M Pb(NO3)2 solution?

**Algebra**

-2(y-3)=2y-6 A. One Solution B. No Solution C. Infinite Solutions ____________________________ Also Need help on these 2 prntscr/cpbo66

**Chemistry**

If 0.0365 mol of CaCl2 is dissolved in water to make a 0.640 M solution, what is the volume of the solution?

**Chemistry**

Prepare 0.03 mole fraction solution of NaOH in water Total volume of solution is 100ml

**Applied chem**

What is the molality of a 30.0% by mass hydrochloric acid solution ? The density of the solution is 1.0980g/mol.

**Chemistry**

A sample of 76 g of NaCl is dissolved to make 1 L of solution. What is the morality of the solution? How do I get started solving this problem?

**algebra**

Graph the system of inequalities (shade each half-plane solution,not only the overall solution). y<= 3/2x+3 2x + y<10 y>-1

**science **

Determine the amount of NaoH dissolved in 250ml of the solution by titrating it against N/10 H2so4 solution

**chemistry**

5. Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”?

**science**

Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”?

**math**

Explain how to solve: A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide?

**Chemistry**

how do I find the pH of a buffer solution given that 0.010M NH3 mixed with 0.0030M NH4Cl. Also... a 0.010M HF solution is mixed with 0.030M KF. FIND THE pH of this mixed solution.

**Chemistry 1**

What is the minimum amount of a 6.0 M solution of sulfuric acid necessary to produce 25 grams of hydrogen gas if the molar ratio in the chemical reaction is a 1:1

**Chemistry**

How many grams of sodium carbonate must be added to 2.50 kg of water in order to lower the freezing point of the resulting solution to 258 Kelvin?

**chemistry**

How many grams of Na2CO3 are required to completely react with 35.6mL of a 0.315M HCl solution? Na2O3(s) + 2HCl(aq) --> 2NaCl(aq( + CO2(g) + H2O(I)

**chemistry**

How many grams of Na2CO3 are required to completely react with 35.6mL of a 0.315M HCl solution? Na2O3(s) + 2HCl(aq) --> 2NaCl(aq( + CO2(g) + H2O(I)

**Chemistry**

How many grams of nickel (II) chloride must be added to 1.50 L of a 0.500 M sodium sulfide solution to precipitate out all of the product of interest?

**chemistry**

How many grams of sucrose (C12H22O11) must be dissolved in 200 g water to make a solution in which the mole fraction of su- crose is 0.1? Answer in units of g

**chemistry**

how many liters of hydrogen gas can be formed at 722 mmHg at 15 degress C when 5.5 grams of zinc metal with 150 mL of 1.25 molarity HCl solution?

**chemistry**

if you want a solution that is .1m in ions what mass of na2so4 must you dissolve in125 grams of water assume total dissolution of ionic solid.

**chemistry**

If i have 12 grams of potassium chlorate dissolved in 100g of water at 65 celsius how much would i need to make the solution saturated

**chemistry**

What weight of lead nitrate in grams would need to be dissolved in 400 mL of water to prepare a 270 ppm solution of Pb2+?

**chem**

If 5.35 g of KMnO4 are dissolved in a liter of solution, what is the normality of the solution?

**chemistry**

If you have a 8M solution of H2SO4 how do you produce 105 ml of .25 M solution?

**Algebra**

Solve by the substitution method 9x+8y=-5 x=40-9y The solution is _______ or there is no solution

**chemistry**

Determine the of a solution that is 1.75% by mass. Assume that the solution has density of 1.01

**chemistry**

Determine the of a solution that is 1.75% by mass. Assume that the solution has density of 1.01