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February 24, 2017

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

Number of results: 77,497

chemistry
You have 14.0mL of a 0.12M NaOH solution. How many moles of HCl will it take to neutralize this solution?
March 1, 2015 by Savannah

Calculus
Find the general solution for the differential equation. Leave your solution in implicit form. dx/dt=(2-x)sqrt(1-x)
March 5, 2015 by Anonymous

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?
April 3, 2015 by Anonymous

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?
April 16, 2015 by john

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?
June 5, 2015 by Renata

Hindu Vidyapeeth
Find the molarity of solution in which 69g nitric acid is present in 500ml of solution ?
July 21, 2015 by Aman Dhankhar

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?
July 25, 2015 by Serge

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
August 2, 2015 by Edward

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.
November 16, 2015 by Sam

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.
November 17, 2015 by Rucha

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?
November 22, 2015 by lakeisha

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?
November 27, 2015 by Neishia

Chemistry
An aqueous solution of a molecular compkind freezes at -0.086 degrees Celsius. What is the molality of the solution?
February 9, 2016 by Dalli

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?
March 1, 2016 by Pradeep

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?
April 15, 2016 by Anonymous

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).
April 20, 2016 by Nevaeh

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
April 21, 2016 by Dylan

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?
May 20, 2016 by mee

Algebra
-2(y-3)=2y-6 A. One Solution B. No Solution C. Infinite Solutions ____________________________ Also Need help on these 2 prntscr/cpbo66
October 3, 2016 by Anonymous

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?
October 5, 2016 by Tsomo

Chemistry
Prepare 0.03 mole fraction solution of NaOH in water Total volume of solution is 100ml
October 21, 2016 by Faisal

Applied chem
What is the molality of a 30.0% by mass hydrochloric acid solution ? The density of the solution is 1.0980g/mol.
October 30, 2016 by Trish

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?
December 19, 2016 by Alice Keign

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
December 26, 2016 by Anneliese

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”?
December 8, 2011 by jenny

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”?
December 9, 2011 by jake

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?
December 30, 2011 by Jane

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.
March 25, 2012 by Declan

chem
If 5.35 g of KMnO4 are dissolved in a liter of solution, what is the normality of the solution?
January 5, 2010 by desperate

chemistry
If you have a 8M solution of H2SO4 how do you produce 105 ml of .25 M solution?
January 25, 2010 by Lilian

Algebra
Solve by the substitution method 9x+8y=-5 x=40-9y The solution is _______ or there is no solution
March 21, 2010 by Liz

chemistry
Determine the of a solution that is 1.75% by mass. Assume that the solution has density of 1.01
April 3, 2010 by Anonymous

chemistry
Determine the of a solution that is 1.75% by mass. Assume that the solution has density of 1.01
April 3, 2010 by Anonymous

chemistry
what is the molarity of a 50% by mass solution of NaOH id the density of the solution is 1.05 g/ml
April 19, 2010 by Rob

chemistry
what is the molarity of a solution with 150g of KNO3 dissolved in 1 L solution?
May 19, 2010 by chelsea

Algebra
Process of eliminiation method ? Is there a solution, infinity or no solution. I don't get it. Can anyone help me? 3r - 5s = -27 5r + 3s = 23
May 26, 2010 by Alfred

algebra
Process of eliminiation method ? Is there a solution, infinity or no solution. I don't get it. Can anyone help me? 3r - 5s = -27 5r + 3s = 23
May 26, 2010 by

Chemistry
What is the H3O+ in a solution that contains 1.48 g HNO3 in 0.560 L of solution?
June 7, 2010 by Angela

Math
5/8x + 1/6x = 11/16 + x the solution is x= enter solution as integer or simplified fraction.
July 9, 2010 by Lorri

Chemistry
How would you prepare a 250 mL solution of . 45 M from a stock solution of 5.5 M?
September 26, 2010 by Jrich

10th grade
scientist needs 5L of 12% solution. She has on 10% and 17% solution. How much of each does
October 1, 2010 by darren

algebra
Please help!!! Determine whether -10 is a solution of the equation 6(x-2)= -70 Is -10 a solution? Thanks for your help
November 8, 2010 by thawk

ap chemistry
what is the molarity of a solution in which 80g of CaCl2 is dissolve in 2.5 L of solution?
December 12, 2010 by cassie

chemistry
Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.
February 22, 2011 by amber

chemistry
if you have 2 mol of glucose in 4L of solution, what is the molarity of the solution?
April 28, 2011 by lilly

chemistry
How many mL of a 4.7 M HNO3(aq) solution are required to make 500 mL of a solution with pH=2.10
June 12, 2011 by amanda

Chemistry
How many mL of a 6 M HCl solution are required to prepare 200 mL of a 0.2 M solution?
June 20, 2011 by Brea

Chemistry
What volume of 0.867 M solution is required to make 3.50 L of a solution with pH of 12.5?
March 16, 2012 by stephanie

Chemistry
A solution contains 0.400 g of NaOH in 20.0 mL of solution. What is its molarity
April 24, 2012 by Urgent

chemistry
What is the molarity of a solution containing 18.0 g of KCl in 354 mL of solution?
July 12, 2012 by Amanda

chemistry
What volume of 2.50 x 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution
September 3, 2012 by Jordan

Algebra 1A
I am so lost! Solve the equation and check the solution -6(t-2)-(t+3)=2 The solution to t is ??
September 23, 2012 by Austin

Chemistry
A solution has a %T value of 75.4% at 600 nm. What is the absorbance of this solution at this wavelength?
November 14, 2012 by Gabby

Chemistry
A solution has a %T value of 75.4% at 600 nm. What is the absorbance of this solution at this wavelength?
November 14, 2012 by Gabby

chemisty
How many mL of a 0.5M Ca(OH)2 solution are needed to neutralize 38mL of a 2M HNO3 solution?
November 24, 2012 by Boo Boo

Chem
If the pH of a solution at 25.00 degrees celsius is 2.37, the pOH of the solution at that temp is:
December 12, 2012 by Dawn

chemistry
what is the [OH-] in a solution that contains 0.225g of NaOH in 0.250 L of solution
January 25, 2013 by sofia

Chemistry
A solution contains 314 mg/L of Ca2 . What is the solution in nmol/m3?
February 15, 2013 by Tiffany

Chemistry
What volume(ml) of 8.0 M solution is required to make 134.3 ml of 1.2 M solution
April 8, 2013 by Linzy

Chemistry
what is the hydronium ion concentration in a 0.55 M HNO3 solution ? what is the pH of this solution? Thank You!!!
May 1, 2013 by David

Chemistry
what is the hydronium ion concentration in a 0.55 M HNO3 solution ? what is the pH of this solution? Thank You!!!
May 1, 2013 by David

chemistry
what volume of water is required to make 0.20 M solution from 16 ml of 0.5 M solution?
May 26, 2013 by prateek

chemistry
How much 9% solution can you make by diluting 350ml of a 15% solution?
July 14, 2014 by Ki

Math
4(2x + 3) = 2(3x - 4) one solution *my answer* infinite solutions no solution
September 30, 2014 by Anonymous

chemistry
What mass of solution contains 15.0g of sulfuric acid in a 20.0% solution
December 12, 2014 by Anonymous

Algebra 1
Find the solution of x^2+14x+112=0 I don't think that there is a solution
February 11, 2015 by Steve

Chem/bio question
HA is an acid that ionizes in 10% in solution. what is the [h+] of a 0.01 m solution of ha?
September 16, 2015 by Karina

science
how many ml of 6M HCl solution are required to bring the pH of 10 ml of a 4M NaOH solution to 2.0
January 21, 2016 by Razakou Maman

chemistry
how many ml of 6M HCl solution are required to bring the pH of 10 ml of a 4M NaOH solution to 2.0
January 21, 2016 by Razakou Maman

Chemistry
I have a .01 M solution of N2, and the concentration of H2 in the same solution is .02. What is the Ksp.
April 24, 2016 by Elizabeth

chemistry
0.01 mol of H2SO4 is present in its solution. Find the pH of the solution
July 5, 2016 by answer please

Science
Which is the molarity of a solution containing 20 g of CH3 OH in 300 mL of solution
November 10, 2016 by Victor

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
October 21, 2010 by Jordan

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?
December 6, 2010 by sfs

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)
July 2, 2011 by ashley

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)
July 2, 2011 by ashley

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?
February 21, 2012 by Bella

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
September 16, 2012 by cheri

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?
November 10, 2012 by Missy

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.
March 23, 2013 by rich

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
June 16, 2014 by adri

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+?
October 12, 2014 by niks

Chemistry
Calculate the aqueous solubility (in milligrams per liter) of the following. The temperature is 20.°C in each case, the pressures are partial pressures of the gases. (a) air at 2.4 atm (b) He at 1.7 atm (c) He at 11 kPa There's also a table giving Henry's Constants for air ...
December 10, 2010 by Daiyo

chemistry
The amount of lactic acid, HC3H5O3, produced in a sample of muscle tissue was analyzed by reaction with hydroxide ion. Hydroxide ion was produced in the sample mixture by electrolysis. The cathode reaction is given below. 2 H2O(l) + 2 e ‾ → H2(g) + 2 OH ‾ (aq...
May 3, 2010 by Long

CHEMISTRY
A 21g SAMPLE OF SULFURIC ACID IS DISSOLVED COMPLETELY IN SUFFICIENT WATER TO MAKE A .025 LITRE OF FINAL SOLUTION. CALCULATE THE HYDROGEN ION CONCENTRATION (IN mol1-1)IN THIS SOLUTION. GIVE YOUR ANSWER IN SCIENTIFIC NOTATION TO AN APPROPRIATE NUMBER OF SIG. FIGS. SHOW THE ...
March 8, 2007 by Desmond

Science
How much heat is absorbed by a persons hand if 100 grams of steam at 100°C is first converted to liquid water at 100°C and then cooled to normal body temperature?
July 13, 2011 by Anonymous

Chemistry
hen excess Ag metal is added to 0.246 L of 1.290 M Fe3+(aq) at 298K, the following equilibrium is established: Ag+(aq) + Fe2+(aq) Ag(s) + Fe3+(aq) (1) If the equilibrium concentration of Ag+ is 0.504 M, what is the value of K? K = (2) Using the value of K from part (1), ...
November 27, 2016 by Shipaz

science
during the experiment, the students were asked to prepare a 10% (mass/mass) solution of sugar in water . ramesh dissolved 10g of sugar in 100g of water while sarika prepared it by dissolved 10g of sugar in water 100g of the solution a) Are the two solution of the same ...
September 6, 2011 by irsha

Chemistry
a chemist wanted to make 100 grams of SO2. She had only 12 grams of sulfur and 4 grams of oxygen. Unfortunately, the amounts of reactants were not enough to make the desired product. How much S and O2 would she need in order to obtain the desired grams of product with no ...
November 3, 2011 by jermain

chemistry
Calculate the change in internal energy of the system in a process for which 100J of heat is absorbed by the system from surroundings and does 85J of work. (I want to learn the solution on how to calculate it... pls. help thank you... )
January 23, 2011 by jaycab

chemistry
25 ml of SHW containing CaCO3 1 g/L consumes 12 ml of EDTA. 25 ml of hard water consumes 8 ml of standard EDTA solution. After boiling the sample, 25 ml of the boiled hard water consumes 6 ml of standard EDTA solution. Calculate the total, permanent and temporary hardness
August 15, 2016 by priyanka

Please Help CHEM
Can you please tell me if these are right? Determine the pH for the following solutions A [OH-] = 1.0 X 10^-7 M I got 7 B. [H3O+ = 4.2 X 10 ^-3M I got 2.4 C. [H3O+]= 0.0001M I got 4 D. [OH-] = 8.5 X10^-9M I got 5.9 What are the [H3O+] and [OH-] for a solution with the ...
December 7, 2010 by Jessica

acid-base titrations
what is it important to keep the NaOH solution covered at all times? How will the molarity of the NaOH solution be affected by its continued exposure to the atmosphere? The pale pink color of the titration solution at the end point will fade to colorless after several minutes ...
April 21, 2008 by natash

Chemistry
metal hydrides react with water to form hydrogen gas and the metal hydroxide. How do you calculate the mass of hydrogen gas that can be prepared from 3.78 g of SrH2 and 3.5 g of H2O? a) how many moles of H2 can be produced from given mass of SrH2? b) How many grams of H2? ...
October 26, 2009 by Brittany

Chemistry
Cobalt and nickel can be simultaneously determined by formation of their coloured complexes with 8-quinolinol in solution. Molar extinction coefficients are: εCo = 3529, and εNi = 3228 cm-1 M-1 at 365 nm; and εCo = 428.9 and εNi = 0 cm-1 M-1 at 700 nm. ...
April 28, 2015 by FilthyF

Chemistry pH, acids, and bases
Trichloroacetic acid (CCl3CO2H) is a corrosive acid that is used to precipitate proteins. The pH of a 0.050 M solution of trichloroacetic acid is the same as the pH of a 0.040 M HClO4 solution. Calculate Ka for trichloroacetic acid. I just don't know where to start. How can ...
October 24, 2016 by Ryan

chemistry repost
What is the boiling point of an aqueous solution that freezes at -6.7 degress C. Please help. I feel retarded because it seems like its something real easy but Im still not getting it. I did 100 + 6.7 and got 100.67 and are you sayin to divide 1.86 by .52 which is 3.576. the ...
November 5, 2011 by swtnblk

Solubility Rules
Using the solubility rules, predict the solubility of each of the following compounds in water: (S= Soluble, I= Insoluble) a)CaCO©ý _______ b) Al(OH)©ý ______ c) Hg©üCl©ü _______ d) Pb(NO©ý)©ü _______
March 17, 2013 by Annette W

Chemistry
How to make 100 mL of 100mM of Tris HCl and 100 mL of 100mM of Tris Base. Follow the pH of the resulting combined solution as it is heated from 4 to 50 degrees Celsius. I did not use the HH equation in this problem. I started with just converting to moles needed and then to ...
January 15, 2017 by Aarya Singh

math
The scientists Verhulst (1828) where is the natural growth rate of the population when resources are limited and is a positive constant called carrying capacity of the environment. (a) Using sign analysis, find all constant solution and discuss the general behavior of solution...
November 6, 2008 by josh

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