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Solutions and Concentrations
Page 4
Questions (549)
A clumsy chemist accidentally pours 100 mL of a 0.004 M Na2SO4 solution into a beaker containing 500 mL of 0.050 M CaCl2
3 answers
asked by
Emma
353 views
Describe the preparation of 100 mL of 6.0 M HCL from a concentrated solu-tion that has a specific gravity of 1.18 and is 37%
3 answers
asked by
Naqaa
531 views
What mass of NH4Cl must be added to 0.750 L of a 0.100 M solution of NH3 to give a buffer solution with a pH of 9.26? Kb(NH3) =
4 answers
asked by
Amy
1,487 views
A is a solution of HCL of unknown concentration and is a solution containing 2.45g of an hydrous sodium trioxocarbonate(iv) in
1 answer
asked by
Jeremy
341 views
Determine how to prepare 2.00 L of 0.157 M HCl solution from a 12.3 M stock HCl solution.
3 answers
asked by
Anonymous
346 views
What is the sodium ion concentration in 100.0 mL of 0.500 M sodium chloride
2 answers
asked by
P
826 views
Calculate the weight of solid NaOH required to prepare (a) 5 liters of a 2 M solution, (b) 2 liters of a solution of pH 11.5?
2 answers
asked by
Hasan
687 views
What is the silver ion concentration in a solution prepared by mixing 495 mL 0.369 M silver nitrate with 419 mL 0.471 M sodium
3 answers
asked by
K
601 views
1.7g of sodium oxalate was dissolved in 250ml of distilled water. Calculate the molarity and normality of the solution
4 answers
asked by
Anonymous
1,348 views
For a 0.50 molal solution of sucrose in water, calculate the freezing point and the boiling point of the solution. Please list
4 answers
asked by
william
837 views
If you need to prepare 250.0 mL of a pH 5.00 buffer tha
t has a total buffer concentration of acetic acid + sodium acetate of
5 answers
asked by
Nathaly
1,283 views
A solution of NaOH(aq) contains 5.4 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25
2 answers
asked by
Anonymous
864 views
As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 M a phosphate buffer solution of pH
3 answers
asked by
jess
2,605 views
calculate the molar concentration of 1ppm solution of NaCl?
2 answers
asked by
Anonymous
535 views
1. what mass of sodium hydroxide is required to make up 100 mL of 0.5000M solution
2.What volume of this solution must be diluted
3 answers
asked by
Anonymous
747 views
a chemist has 800ml of 15% acidic solution.how much pure acid is to be added to make the solution 32% acidic
3 answers
asked by
pahul
941 views
in what ratio 0.2M NaCl and 0.1M CaCl2 solutions are to be mixed so that in the resulting solution, the concentration of
3 answers
asked by
jaimi
2,476 views
Please help?!
if 600 mL of a 0.04M KCl solution is mixed with 50mL of a 0.03M Na2SO4 solution, will a precipitate be formed?
3 answers
asked by
ryan
846 views
How many grams of nitric acid (HNO3) must be dissolved in 590 ml of water to make a solution with a pOH = 10.1?
Select one: a.
3 answers
asked by
Bill
532 views
A saturated solution is made by dissolving 0.252 g of a polypeptide (a substance formed by joining together in a chainlike
3 answers
asked by
Luke
1,250 views
What is the molarity of a NaOH solution if 21.3 mL of the NaOH solution is neutralized by 10.4 mL of 6.10 M H3PO4?
1 answer
asked by
taytay
421 views
A solution prepared by mixing 16.7 mL of 0.760 M NaCl and 16.7 mL of 0.760 M KI was titrated with 0.380 M AgNO3 in a cell
3 answers
asked by
Bobz
1,071 views
how would you prepare 445 grams of solution containing 13% mass HCL from 34.1 mass % of HCL solution
3 answers
asked by
SDW
456 views
A volume of 80.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What
3 answers
asked by
carley
1,441 views
The ionization constant of HF is 7.2 × 10−4. What is the molar concentration of H+ in a solution which is 0.353 molar in HF
3 answers
asked by
gabriella
1,126 views
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calculate the mass of pure acetic acid in 170
4 answers
asked by
K
1,655 views
what is the molarity of 28.9 g of CaCl2 dissolved in water to make 0.78 L solutions?
3 answers
asked by
Chantil
770 views
what is the pOH of a 0.12 M solution of pyridine (Kb=1.4x10^-9) at 25 Celsius
3 answers
asked by
C
605 views
You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added
3 answers
asked by
Lacy
1,484 views
molarity of kmno4 and strength of kmno4 in M/25 solution experiment of oxalic acid.......
3 answers
asked by
rishabh
1,022 views
Calculate the molarity of 38.5 mL of 1.80 M HNO3 diluted to 0.130 L with water
3 answers
asked by
Linda
656 views
How much 0.300 M NaOH is required to completely neutralize 30.0 ml of 0.15 M HClO4
Clue: M1V1=M2V2
4 answers
asked by
Ann
598 views
What is the molarity of a solution containing 9.0 moles of solute in 2500 mL of solution?
I got this answer: M = (9.0mols/2.5L)=
4 answers
asked by
Amy
2,217 views
You have a 0.0825 M solution of HCl. You expect the pH to be
3 answers
asked by
Anonymous
351 views
what is the concentration of a sugar solution that contains 8 g sugar dissolved in 500 ml of water? explain in ration form
3 answers
asked by
cheryl
914 views
A particular household ammonia solution (d=0.97 g/mL) is 6.8% NH3 by mass. How many mililiters of this solution should be
4 answers
asked by
Calvin
1,307 views
A student needed to make 200 ml of 0.1 M naOH. If the stock soluton was 0.75 M, how much of the stock solution and how much wter
3 answers
asked by
Amy
845 views
Three solutions 40mL of 0.2M KNO3; 66mL of 0.3 M Ca(NO3)2; and 39mL 0.185M KCl were poured together to make one new solution.
2 answers
asked by
Anonymous
507 views
To what volume should you dilute 25mL of a 12.0M H2SO4 solution to obtain a 0.170M H2S04 solution?
3 answers
asked by
Candice
906 views
To what volume should you dilute 30 mL H2SO4 of a 10.0 M H2SO4 solution to obtain a 0.140 M H2SO4 solution?
3 answers
asked by
Judy
666 views
Assuming that sea water is a 3.5 wt% solution of NaCl in water, calculate its osmotic pressure at 20 deg C. The density of a
2 answers
asked by
Sarah
878 views
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved
4 answers
asked by
Lauren
1,358 views
what volume of water must be added to 10ml og 6.0M NaOH to make a solution that is .30 M in NaOH
How do I solve for this
3 answers
asked by
Lauren
700 views
i need some help with this i don't even know where to begin
A solution of 62.4 g of insulin in enough water to make 1.000 L of
3 answers
asked by
Anonymous
2,086 views
The measured osmotic pressure of seawater is 25 atm at 273K.
a.) What is the activity of water in seawater at 273 K? Take the
3 answers
asked by
Amy
698 views
If you had an acetic acid solution that was 0.10 M, what would the acetate concentration have to be in order to get a pH of
1 answer
asked anonymously
40 views
Calculate the final concentration of 50 ml of 0.25 mol. 1 NaCI made to a final volume of 250 ml.
1 answer
asked by
Anandhu
67 views
How many grams of dextrose are in 50ml of normal saline
1 answer
asked by
Aisha
112 views
A is a solution of Hcl containing 7.3gdm-3 B is a solution of X2CO3 containing 10.6g1dm3,if 2343cm3 of a neutrized 25.0 cm3 of
1 answer
asked by
Ogunsanwo eyitayo
200 views
Table reading for A is a solution of trioxonitrate (iv) acid of unknown concentration B is a standard solution of sodium
1 answer
asked by
Juliana
307 views
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