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Solutions and Concentrations
Page 10
Questions (549)
Calculate the final concentration if 4.0 L of 1.5 M NaCl and 2.0 L of 3.0 M NaCl are mixed?
2 answers
asked by
Anonymous
551 views
25% of water is evaporated from 10 litres of water containing 150 gm of common salt, the % of salt in remaining solution is
2 answers
asked by
anoop
577 views
What is the concentration of Ni2+ in 0.0775M Ni(NO3)2 and 1.3981M NH3
2 answers
asked by
Jude
539 views
If 34.7 mL of 0.210 M KOH is required to completely neutralize 30.0 mL of a CH3COOH solution, what is the molarity of the acetic
3 answers
asked by
Heny
566 views
What volume of 6.0 M sulfuric acid is required for the preparation of 500.0 mL of 0.30 M solution?
2 answers
asked by
Sam
535 views
If 5ml of 10M HCl was added to 1 litre of 0.4M 3-(N-morpholino) propane sulfonic acid what would be the resulting pH?
2 answers
asked by
Katie
527 views
A contains 2g/200cm³ of H2X solution. B contains 2.85g/250cm³ of KOH solution. If 18.70cm³ of A neutralized 25cm³ of B.
2 answers
asked by
Kolade
553 views
A chemist wants to create a solution that is 24% acid. How many liters of 40% acid solution must be added to 50 liters of an 18%
2 answers
asked by
Lauren
541 views
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04
2 answers
asked by
Ken
551 views
How much pure alcohol has to be added to 400ml of a solution containing 15% alcohol to change the concentration of alcohol in
3 answers
asked by
Taylor
551 views
A standard solution with a FeSCN2+ concentration of 1.55x10^-4M has a percent transmittance (%T) of 18.8%. Another solution of
2 answers
asked by
Dan
537 views
Calculate the molar concentration of ethanoic acid needed to prepare ethanoate buffer of PH 6.8 using 0.5m solution of sodium
2 answers
asked by
Aminat
545 views
A solution is prepared by adding 1.00 g of solid \rm NaCl to 50.0 mL of 0.100 M \rm {CaCl_2}. What is the molarity of chloride
2 answers
asked by
jared
531 views
A solution is made by mixing 90.6 g of magnesium sulfate heptahydrate with 2320.0 g of water.
690.00 mL of the solution has a
4 answers
asked by
J
545 views
0.250 g KCN is dissolved in 50 mL of water, and added to 2 mL of NaOH then mixed with 48mL of water. What is the molar
2 answers
asked by
Zach
541 views
A is a solution of HNO3 of unknown concentration. B is a standard solution of Naoh 25cm3 portion of solution B required an
3 answers
asked by
Gideon
528 views
1. In the lab you will be provided with 0.1 M sodium hydroxide that you will standardize using KHP. What is implied by writing
2 answers
asked by
Dan
527 views
How many milliliters of 4.50 M HCl must be diluted to make 400. mL of a 0.500 M solution?
4 answers
asked by
Cassie
514 views
ahhh im confused!!
Calculate the pH of a solution formed by mixing 372 mL of a solution containing 4.4 x 10-6 M NaOH with 286 mL
2 answers
asked by
mark
535 views
A hardwater sample contains 68g of CaSO4 in 10litre. Calculate the hardness.
2 answers
asked by
Merudhula
489 views
commercially available concentrated H CL contains 38% H CL by mass
(a) what is the molarity of this solution if the density in
2 answers
asked by
anila
515 views
Osmotic Pressure.. If the height of the column is 6 cm what is the osmotic pressure of the sugar solution in g/cm2 Assume the
3 answers
asked by
donna
538 views
What is the molarity (M) of an HCl solution, 150 ml of which when treated with excess magnesium liberates 3.5 l of H2 gas
2 answers
asked by
Johnie HELPPPPP
504 views
3)How many grams of sodium chloride do you need to weigh out to prepare 1.4L of 0.9% NaCL solution?
2 answers
asked by
Daniel
522 views
c) Now make up 500 mL of a 0.025M phosphate buffer using the 0.1M phosphate buffer. Show all your workings. The 0.1M is made of
2 answers
asked by
LQ
514 views
A 1N solution of NaOH is diluted 4/20 then rediluted 1:50. What is the final normality? How many grams of NaOH are present in
2 answers
asked by
Jennie
520 views
What volume of 9.54M sodium chloride solution must be added to the correct amount of water to produce 750. mL of a .327 M sodium
3 answers
asked by
Dee
513 views
Consider a solution containing 37.0 (+/- 5)% (wt/wt) HCL in water. The density of the solution is 1.18 (+/- 0.01) g/mL. To
1 answer
asked by
Andrew
510 views
How can i explain hw i can prepare a 250ml of2.5M of HCl acid from;molecular weight of acid 36.5g\mole;density of acid 1.19g\ml
2 answers
asked by
Ayuk
518 views
You have 3.00 L of a 3.00 M solution of NaCl(aq) called solution A. You also have 2.00 L of a 2.00 M solution of AgNO3(aq)
1 answer
asked by
a
33 views
A saline solution was made by mixing 11 ml of a 36% saline solution and 6 ml of a 53 % saline solution. How do I find the
3 answers
asked by
Hannah
502 views
describe how you would prepare 500 mL 0.250 M ethylene glycol (MW=62.07) from concentrated 31% (w/w) solution that has a density
2 answers
asked by
jessica
517 views
What is the molarity of a solution prepared by diluting 25.0 mL of 0.412 M magnesium nitrate to a volume of 1.50 L
please help!
2 answers
asked by
Ashley
507 views
A 75.0g sample of liquid contains 17.5% by mass of H3PO4 (molar mass = 98.0g/mol). If
215.0mL of Ba(OH)2 is needed to completely
3 answers
asked by
ram
509 views
A solution of 0.200M NaOH (14.0 mL) is mixed with 42.4 mL of 0.170M HNO3. Assuming the final volume is the sum of the initial
2 answers
asked by
Jessica
490 views
Then, determine the final volume needed to dilute 20.0 ml of 1.00 M NaOH to 0.25 M. Next, find the volume of water which needs
5 answers
asked by
Feather
511 views
A water solution containing 25.0% sucrose by mass, has a density of 1.25g/mL. What volume of this solution in liters, must be in
2 answers
asked by
Kate
521 views
When you have 50ml of a 0.25M solution of KI in water. What should the final volume be is you want to reduce the concentration
2 answers
asked by
EFonts
481 views
first task is to prepare 250 ml of 3 M glucose. Then You are preparing a solution and the recipe calls for 25 ml of 10% glucose.
2 answers
asked by
steven
502 views
how many grams of sucrose would I need to make 350mL of an 18% solution?
1 answer
asked by
Nicole
484 views
You have a large amount of 8.00 M stock solution. You need 1.60 L of 3.00 M solution for an experiment. How would you prepare
2 answers
asked by
LuigiR
487 views
How do we prepare 500mL of 0.5 percent w/v solution of NaOH if we have stock solution of 50 percent w/v NaOH on hand?
2 answers
asked by
Stacy
497 views
H3PO4 reagent solution in a lab is 85%pure.specific gravity of H3PO4 solution is 1.69.find out the normality of H3PO4.
2 answers
asked by
mona dutta
498 views
1) At body temperature of 36.5 ° C the osmotic pressure of the blood is of 7.80 atm. Calculate the mass of glucose (C6H12O6)
1 answer
asked by
michael
502 views
The label of a bottle containing a solution So of hydrochloric acid carries the following indications :hydrochloric acid of
1 answer
asked by
vicky
498 views
If the molar concentration of sodium ions is 0.44 M, then the concentration of sodium sulfate is 0.88 M
True or False
2 answers
asked by
Anonymous
488 views
what is the molarity of an unknown HCI concentration if it requires 75ml of a 0.2 M NaOH solution?
2 answers
asked by
jo
498 views
Wilh this form a buffer?
50 mL of .10 M HCl; 35 mL of .150 M NaOH WORK: Moles of HCl= .005 Moles of NaOH= .00525 total litres of
3 answers
asked by
Vanessa
495 views
Imagine that you have a stock solution with a concentration of 4.6 M glucose (C1).
You want to use the stock solution to prepare
1 answer
asked by
Marco
498 views
What is the molarity of a nitric acid solution prepared by diluting 1.5L of 3.00M HNO3 to a total volume of 2.50L? Is the
2 answers
asked by
yppum
497 views
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