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April 24, 2014

Search: prepare 250.0mL of a 0.500M solution of NaCl

Number of results: 5,536

College Chemistry
Molarity of .100 mole of urea (CH4N2O) in 250.0 mL of solution
Tuesday, February 8, 2011 at 7:15pm by Audrey

Chemistry
how many grams of potassium dichromate are needed to make 250 mL of a 0.75 molar solution?
Thursday, March 3, 2011 at 6:31am by Bobbi

Chemistry
how many grams of potassium dichromate are needed to make 250 mL of a 0.75 molar solution?
Thursday, March 3, 2011 at 6:33am by Bobbi

Chemistry
how many grams of solid KOH is needed to neutralize 1.00 L of 0.250 M HNO3 solution?
Monday, April 18, 2011 at 11:00am by Helena

chemistry
how many grams of glucose C6H12O6 would you need to make 250 mL of 1.0 M solution?
Thursday, April 28, 2011 at 4:36pm by amber

physics
a plane stops from 250 mph in 25 seconds. Calculate the planes acceleration
Saturday, September 24, 2011 at 11:17am by cj

chemistry
What is the mass of hydrogen peroxide, H2O2, in a 250 g sample of a 2.75% by weight solution?
Monday, October 10, 2011 at 12:25am by Anonymous

math
What is the value of the 5 in each numeral? 3, 458, 201? 152, 670, 400 61, 250
Thursday, February 9, 2012 at 9:18pm by Luke

chemistry
Calculate the concentration in ppm if 8 grams of CaCl2 is dissolved in 250 ml of water.
Wednesday, February 22, 2012 at 1:48am by Emmee

Chemistry
What amperage is required to plate out .250 mol Cr from a Cr+3 solution in a period of 8.00 h?
Wednesday, April 11, 2012 at 5:13pm by Alan

Chemistry
What is the molarity of a solution prepared by dissolving 4.92 g of calicum nitrate in 250 mL of water?
Tuesday, May 1, 2012 at 1:17pm by Ambra

chem
How many grams of SO2 are needed to make 250 ml of 0.750 molar solution?
Tuesday, August 28, 2012 at 3:35pm by Karen

Chemistry
How many grams of SO3 are needed to make 250 ml of 0.750 molar solution?
Tuesday, August 28, 2012 at 3:43pm by Karen

algebra
f the principal P = $500, the interest I = $250, and the rate r = 10%, find the following. (a) What is the time?
Monday, September 3, 2012 at 12:30am by ella

mathematics
given that (the square root)1,225 = 35, evauluate 250(to second power)
Tuesday, September 25, 2012 at 4:52pm by James

science
How many grams of glucose C6H12O6 would you need to make 250 mL of 1.0M solution?
Wednesday, May 29, 2013 at 1:50am by kevin

maths
The masses of 3 parcels are 250 g, 300 g, 1\2kg. By how many g is the total mass more than 1 kg?
Monday, February 10, 2014 at 6:04pm by matches box

maths
The masses of 3 parcels are 250 g, 300 g, 1\2kg. By how many g is the total mass more than 1 kg?
Wednesday, February 12, 2014 at 8:11pm by matches box

chem
25.0 mL of 0.125 M silver nitrate are mixed with 35.0mL of 0.100 M sodium sulfate to give solid silver sulfate. Write the net ionic equation, and determine the mass in grams of silver sulfate produced. I think the net ionic equation is 2Ag(aq) + SO4^-2(aq) ---> AgSO4(s) but...
Tuesday, December 14, 2010 at 5:35pm by Lori

College Chem
How many liters of carbon dioxide at 20 oC and 750 torr are produced when one gallon of toluene is burned? C7H8 + 9O2 ==> 7CO2 + 4H2O 1 gallon toluene = about 3,785 mL density = about 0.867 g/mL mass toluene = 3785 mL x 0.867 g/mL = 3282 grams. moles toluene = grams/molar ...
Monday, October 4, 2010 at 12:39am by D

Chemistry
an air bubble trapped in bread dough at room temperature (291k) has a volume of 1.0mL. The bread bake sin the oven at 623k(350C) calculate the new volume of the air bubblr, using charles law( Volume divided by Temperature= K) my answer is: 1.0/350C = 2.857....x10-03 this ...
Saturday, March 22, 2008 at 7:07pm by Jonathan T

Chemistry
In one experiment, 50.0ml of 0.10M CH3NH2, is mixed with 20.00ml of 0.10 M CH3NH3Cl. The kb of CH3NH2 is 3.70*10^-4. a) write the chemical reaction for the equilibrium which becomes established, using H2O as a reactant. b)Write the net-ionic equation that occurs when Ba(OH)2 ...
Saturday, February 27, 2010 at 3:01pm by James

Management freuqnecy distribution
2. Use the data in the following table to • Prepare a frequency distribution of the respondents’ ages • Cross-tabulate the respondents’ genders with cola preference • which was the preferred cola Individual Gender Age Cola Preference Weekly Purchases Emily F 16 Pepsi 2 Frank M...
Monday, December 3, 2007 at 10:06am by Shawn H.

chemistry
A patient receives 3.0 mL of a solution containing technetium-99m for a breast image. If the activity of the technetium-99m is 9.5mCi/mL what is the dose received by the patient? Answer Choices are: a)29mCi b)3.2mCi c)320uCi d)28.5mCi So I times 3.0mL * 9.5 = 28.5 But the ...
Wednesday, October 19, 2011 at 2:28pm by Connie

scatter plots
in 1994, the profit is $250,000 in 1995, the profit is $280,000 in 1996, the profit is $240,000 in 1997, the profit is $320,000 in 1998, the profit is $310,000 this information is in a chart but charts don't work here so anyways [it looks something like this: Year: 1994 1995 ...
Monday, October 26, 2009 at 5:07pm by kamilla

social studies-Sara
please help me with a few more. Specifically with a group that maybe eats at a certain time or a special person has to prepare it?
Monday, October 12, 2009 at 6:09pm by Alyssa

Mnagerial Economics
prepare a brief, with the aid of diagrams how can knowledge of returns to variable inputs assist in decision-making in business
Tuesday, November 3, 2009 at 10:22am by Melissa

chemistry
What mass of water (in grams) is needed to dissolve 28.7 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m (molal) solution?
Wednesday, September 8, 2010 at 1:34am by Diana

CHEMISTRY..please help..thanks
A laboratory assistant needs to prepare 325 mL of 0.110 M CaCl2 solution. How many grams of calcium chloride will she need?
Tuesday, November 9, 2010 at 9:57pm by Jasmin

Chemistry 104
Nitric acid, HNO3, is available commercially at a concentration of 16 M. What volume would you use to prepare 770 mL of a 0.19 M solution?
Thursday, November 11, 2010 at 3:39pm by Brenna

biiochemistry
showing by calculations how would i prepare the following solutions : 200ml stock solution of 1M NaOH (mwt 40g/mol)
Wednesday, February 9, 2011 at 9:19am by ZANELE

advance accounting
consolidation,prepare the journal entries on books of phillips to recod the acquistion of solina company's net assets
Wednesday, February 16, 2011 at 12:40am by Anonymous

Chemistry
Write a balanced equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, CaS.
Tuesday, April 5, 2011 at 6:14pm by Stacey

visual literacy to a movie review
I need to prepare a speech of one minute long on the theme of the film cry freedom
Thursday, June 2, 2011 at 1:28pm by Anonymous

English
Hello. Thank you for your answers. One more question please. Do you think it's possible to say "to prepare" or "to make" an election program? Thank you.
Sunday, February 5, 2012 at 2:18pm by Ilma

physics
how can we collect sound energy from outside? then it can be converted into electricity with the help of transducer. Have to prepare a model on this. Please earlier.
Tuesday, October 9, 2012 at 8:33pm by edward

School For Human Rights
A student wants to prepare Halite. How much sodium can he use to completely react it with 30g of Chlorine gas?
Monday, February 4, 2013 at 11:09pm by jamie

Chemistry
Hi,may I have your help? I have posted a titration question that I'm trying to solve. The correct answer to the problem is 0.128 M, however,I have arrived at the answer: 0.000128 M. Here's the question: If 38.30 mL of 0.250 M NaOH is used to titrate 25.0 mL of phosphoric acid,...
Friday, December 10, 2010 at 5:37pm by Cliff

Math
Tracy Company, a manufacturer of air conditioners, sold 100 units to Thomas Company on November 26. The units have a list price of $500 each, but Thomas was given a 30% trade discount. The terms of the sale were 2/10, n/30. Thomas uses a periodic inventory system. 1. prepare ...
Sunday, March 20, 2011 at 2:07pm by Bobbi Loffredo

Chemistry
I found the following procedure to prepare starch indicator solution on a website:- To prepare starch indicator solution, add 1 gram of starch (either corn or potato) into 10 mL of distilled water, shake well, and pour into 100 mL of boiling, distilled water. Stir thoroughly ...
Wednesday, October 6, 2010 at 6:23pm by annie

Repost-Chemistry -please help
Hi, sorry I missed out something. The titrant used was 0.100M Sodium thoiosulphate.Do I have to consider its concentration in the calculations? Thanks a lot. Posted by angela on Tuesday, August 3, 2010 at 6:58pm. Please help to determine the (%w/w) benzoyl peroxide (C14H20O4) ...
Tuesday, August 3, 2010 at 8:58pm by angela

math
jenny invests $250 at a rate of 8% and earns $40.how long did she leave her money invested?
Sunday, January 25, 2009 at 10:37pm by briana

math
i dont get this problem what is the fractional equivalent of 0.078? A)78/100 b)39/500 c)39/250 d)none of these
Tuesday, January 12, 2010 at 6:13pm by makeeda

math
Jane's gross earnings are $16,250 per year. If she has 24% withheld, what is her net income
Monday, March 1, 2010 at 2:17pm by puppy101``

Chemistry
How many mL of 18 M H2SO4 are required to react with 250 mL of 2.50 M Al(OH)3 if the products are aluminum sulfate and water? How do i solve this?
Friday, April 30, 2010 at 8:09am by Anna

general
Can you please tell me what is the Percentage of 250,800.00/2,175,000 I have 11.53% is this correct.
Tuesday, May 4, 2010 at 12:21pm by Martha

chemistry
how many grams of NaOH must be added to 0.250 litres of water to form a solution of PH=10.0?
Tuesday, September 7, 2010 at 12:00pm by joey

math
If 250,148,571 is the total population what percent is 136,800,000?
Wednesday, October 6, 2010 at 6:12pm by zane

Axia college
Compare and contrast packet and circuit switching in 250 to 300 words.
Wednesday, January 12, 2011 at 11:53am by Darrell

statistics
in a distribution of scores with a mean of 1500 and a standard deviation of 250, what is the 95th percentile?
Saturday, February 26, 2011 at 9:48am by Ruben

math
unpaid balance at the end of the 10th year? loan amount of 250,000
Monday, March 21, 2011 at 10:42pm by Isabel

Chemistry-102
what is the ph solution obtained by mixing 25.00 ml of 0.250 ml HCl and 25.00ml of 0.125M NaOH
Wednesday, March 23, 2011 at 10:58pm by Christian

chemistry
How many moles of Na2CO3 would be needed to react with 750 mL of 0.250 M H2SO4 solution?
Friday, April 1, 2011 at 12:01am by Emily

Chemistry
How many milliliters of 18 M H2SO4 are required to react with 250 mL of 2.5 M Al(OH)3 if the products are aluminum sulfate and water?
Monday, April 25, 2011 at 11:13pm by Emma

chemistry
what volume of .0250 M MgCl2 should be diluted to 250.0 mL to obtain a solution with [Cl]=.0135?
Tuesday, September 27, 2011 at 8:02am by Shineylou

CHEMISTRY
what volume of .0250 M MgCl2 should be diluted to 250.0 mL to obtain a solution with [Cl]=.0135?
Tuesday, September 27, 2011 at 12:04pm by Shineylou

Chemistry
How many milliliters of 0.250 M sodium hydroxide are needed to titrate 35.0 mL of 0.425 M hydrofluoric acid?
Thursday, December 1, 2011 at 9:55am by Victoria

physics
a plane is flying at 250 km hr an hit a 50 km hr headwind what is its resultantt speed relative to the ground
Sunday, December 11, 2011 at 2:18pm by Victor

math
Bart had an income of $38,250 last year. If the inflation rate is 4.5%, what is his purchasing power?
Monday, January 23, 2012 at 4:24pm by help

geometry
If the mean of a certain population is 250 and the standard deviation is 40, what x value corresponds to the z-score of -0.35.
Tuesday, March 20, 2012 at 4:26pm by Gabi

chemistry
how many grams of magnesium are required to liberate 250 cm3 of Hydrogen gas from HCL
Tuesday, April 17, 2012 at 10:45pm by Allen

Math
Put the equation in vertex form: y^2=12x-2y+250 using the formula y=a(x-h)^2+k Thanks in advance :]
Wednesday, May 9, 2012 at 1:47am by Amy

Chemistry
Calculate the molarity and normality of a solution containing 9.8 g of H2SO4 on 250 cm cube of the solutiom
Friday, June 29, 2012 at 2:06am by Shafket

Science
What will be the vapor pressure of Mono Chloro Benzene at 180 - 250 degree Celsius.
Tuesday, August 28, 2012 at 3:33am by Praveen

Analytical Chemistry
How many mg of X is contained in 25 ml of a solution giving an absorbance of 0.250 at 400 nm when measured with a 1 cm cell ?
Friday, November 30, 2012 at 6:00am by AREEJ

Analytical Chemistry
How many mg of X is contained in 25 ml of a solution giving an absorbance of 0.250 at 400 nm when measured with a 1 cm cell ?
Friday, November 30, 2012 at 6:19am by AREEJ

Chemistry
Calculate the number of moles in this quantity: 250 ml ethyl alcohol,C2H5OH(=0.789 g/ml)
Friday, December 14, 2012 at 5:07pm by Anonymous

scienses
A solution contains 0.0180 M HNO3, 0.0268 M HI, and 0.250 M formic acid, HCOOH. What is the pH?
Monday, March 4, 2013 at 10:19pm by carl

7 Science Astrology-ish
250 pound person goes to the moon, how much do they weigh there?
Saturday, March 16, 2013 at 8:24pm by rockrboiluvr

Calc
Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 5 is y= 75x - 250. Using this, we find our approximation for 4.6 ^3 is ?
Monday, August 5, 2013 at 1:52pm by Anonymous

chemistry
calculate the weight of oxalic acid required to neutralise 250 mL , 0.1 N KOH sollution?
Sunday, September 8, 2013 at 5:01am by Anonymous

Physics
I don't understand this question... What is the change in entropy for a system that has 250 J of heat added to it at 25°C? (Points : 1) 10 J/K 0.84 J/K 0.84 J/K 10 J/K
Thursday, March 20, 2014 at 7:32pm by Me and I

Chemistry
How much energy does it take to convert 0.800 kg ice at -20.°C to steam at 250.°C? Specific heat capacities: ice, 2.1 J g-1 °C-1 liquid, 4.2 J g-1 °C-1 steam, 2.0 J g-1 °C-1 ΔHvap = 40.7 kJ/mol, ΔHfus = 6.02 kJ/mol This is what I tried to do: Heating ice q= ( 2.1 J g...
Monday, November 15, 2010 at 7:40pm by Anonymous

AP Chemistry
A chemist mixes 200.0mL of 0.800 M Fe(NO3)3 and 300.0 mL of 0.750 M K2Cr04 and enough of either 0.400 M KOH or 0.400 M Pb(no3)2 to end up with only two spectator ions in solution. a. How much precipitate will be formed b. How many mL of KOH or Pb(No3)2 must be used c. What are...
Sunday, January 16, 2011 at 12:21pm by qwerty123

economics
pls tell me what is the role of producers in consumer protection &awareness. ihav 2 prepare a written school project(classXth) on the same
Monday, June 12, 2006 at 4:18am by bhavna

Chemistry
Calculate the amount of NaH2PO4 and Na2HPO4 needed to prepare 100 mL of a buffer with a pH = 8.25 so that the sum of concentrations of HPO4 and H2PO4 ions is 0.5 M. Where do I start? :/
Saturday, October 30, 2010 at 7:29pm by Anonymous

Chemistry
Calculate the weight of potassium chlorate required to prepare 380 mL of wet oxygen collected over water at 20 degrees C and 750 mm of Hg.
Monday, March 7, 2011 at 11:44pm by Morgan

maths
prepare an assignment on pratical applications &co-relatives of implementation of discounts. sales tax and vat in steps of c.i &s.i in bank &post office
Thursday, December 15, 2011 at 2:34am by vishva

chemistry
What weight of potassium chlorate is required to prepare 89.6mL of oxygen measured over water at 21.0 degrees C and 743 millimeters of mercury?
Saturday, March 17, 2012 at 9:23pm by Courtney

french
How would u put the sentence. La mere de Sylvie prepare une fete pour les amies de sa fille in futur proche?
Tuesday, October 30, 2012 at 2:23pm by Anonymous

chemistry
A 1.10g- sample contains only glucose and sucrose . When the sample is dissolved in water to a total solution volume of 25.0ML , the osmotic pressure of the solution is 3.78atm at 298K a.What is the percent by mass of glucose in the sample? b.What is the percent by mass of ...
Sunday, January 24, 2010 at 11:02pm by bf

Accounting
The SOO Company has machinery that it acquired a number of years ago at a cost of $812,000. As of December 31, 2012 the company has recorded life-to-date depreciation in the amount of $332,900. Because of changes in their manufacturing processes, the equipment does not ...
Monday, May 2, 2011 at 5:01pm by Jennifer

acc 280
P3-1 A Tony Masasi started his own consulting firm, Masasi Company, Inc., on June 1, 2008. The trial balance at June 30 is shown on page 129. MASASI COMPANY, INC. Trial Balance June 30, 2008 Account Number Debit Credit 101 Cash $7,150 112 Accounts Receivable 6,000 126 Supplies...
Tuesday, March 29, 2011 at 8:09pm by mar

INB
13. Healthy Foods, Inc. sells 50-pound bags of grapes to the military for $10 a bag. The fixed costs of this operation are $80,000, while the variable costs of the Grapes are $.10 per pound. a. What is the break-even point in bags? $80,000 = $80,000 = 80,808 units $10.00 - $0....
Saturday, August 1, 2009 at 12:41am by scooby9132002

FND 154 Fundamentals of Accounting
Harwick Company Exercise 5-2 1. on April 5, purchased merchandise from Botham Company for $23,000, terms 2/10, net/30, FOB shipping point. 2. on April 6, paid freight costs of $900 on merchandise purchased from Botham. 3.on April 7, purchased equipment on account for $26,000. ...
Monday, June 24, 2013 at 8:16pm by Tomika

Finance
Camping USA Inc. has only been operating for 2 years in the outskirts of Albuquerque, New Mexico, and is a new manufacturer of a top-of-the-line camping tent. You are starting an internship as assistant to the chief financial officer of the company, and the owner and CEO, Tom ...
Wednesday, June 2, 2010 at 9:29pm by bj

fin. am I correct?
13. Healthy Foods, Inc. sells 50-pound bags of grapes to the military for $10 a bag. The fixed costs of this operation are $80,000, while the variable costs of the Grapes are $.10 per pound. a. What is the break-even point in bags? $80,000 = $80,000 = 80,808 units $10.00 - $0....
Friday, July 31, 2009 at 10:29pm by scooby9132002

geometry
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the...
Monday, October 11, 2010 at 12:29pm by kaitlynne

math
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the...
Friday, October 29, 2010 at 10:53am by jaz

geometry
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the...
Wednesday, November 17, 2010 at 11:28am by Anonymous

math
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the...
Wednesday, January 19, 2011 at 9:57am by Anonymous

geometry
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the...
Monday, March 7, 2011 at 11:36am by jane

MATH
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the...
Sunday, May 15, 2011 at 10:24pm by Anonymous

Accounting
Can someone show me this bank reconciliation? On Aug 14th, One of our Partner's ( Compuville ) cash book showed a debit balance of $4,000.00. His bank statement showed a balance of $4,270.00. On comparison the following were found: * check issued amounting to $2,500.00 has not...
Saturday, January 19, 2013 at 6:31pm by Lee

calculus help plz
a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. the answer choices are: a.3250 b.21,125 c.18000 d.2000 e. none of these Work = (1/2)* F * ...
Monday, January 8, 2007 at 11:05pm by david

Algebra
Please Check these P(x)= -.1(100)^2 +50(100)+300= 3,700,000 P(x)= -.1(150)^2 +50(150) +300= 4,950,000 P(x)= -.1(250)^2 +50(250) +300= 5,950,000 P(x)= -.1(350)^2 +50(350) +300= 4,950,000 P(x)= -.1(450)^2 +50(450) +300= 1,950,000
Sunday, January 29, 2012 at 8:43pm by Betty

chemistry
hello this is ellie again. I need help on this one problem A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 ...
Tuesday, December 3, 2013 at 10:03pm by ellie

very simple - my face is red!
What is cheaper: $40.80 for 250 itmes? OR: $18 for 100 items? Thank you veyr much!
Thursday, August 23, 2007 at 2:49pm by Aderosa

math
if a car cost $25,000 and after one year it is valued at $21,250.What is the yearly depreciation.
Wednesday, April 9, 2008 at 10:24am by genesis

CHEMISTY
WHAT IS THE MOLARITY OF A SOLUTION PREPARED BY DISSLOVING 4.92 GRAMS OF CALCIUM NITRATE, Ca(NO3)2 in 250 mL OF WATER?
Monday, July 21, 2008 at 10:22pm by Persia

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