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Concentration calculations
Page 6
Questions (747)
A student is given 0.325 g of CaCl2 and is instructed to make 25.0 ml of 0.100-mol/L CaCl2 using all of the solid. The following
3 answers
asked anonymously
35 views
What is the molarity of CH3COOH vinegar if the vinegar has a density of 1.005g cm cube of the same question
1 answer
asked by
Anonymous
95 views
for each of the following explain how you would prepare 1.0L of a solution that is 0.10M in L+. repeat for concentrations of
2 answers
asked by
Getu
85 views
The concetrated sulfric aside we use laboratory is 98 percent,by mass. Calculate molarity and molality of acid solution.desity
1 answer
asked by
Anonymous
182 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
What volume of a 0.400 M stock solution of potassium dichromate is required to produce 200.0 mL of a 0.100 M solution?
1 answer
asked by
Lucille
328 views
(c) Potassium hydroxide reacts completely with sulfuric acid according to the equation:
H2SO4(aq) + 2KOH(aq) K2SO4(aq) + 2H2O(l)
1 answer
asked by
miss Claire Yeboah
449 views
How would you make a 400 mL solution of 0.7 mol/L NaCl from a stock concentrate of 2.0 mol/L
1 answer
asked by
Muneer
202 views
If I have a 50% glycerol solution and 300uL of protein in a tube, how many uL of 50% glycerol do I need to add to form a final
1 answer
asked by
hi
358 views
you ask your lab assistant to prepare IL of solution Zeta at a concentration of 1M. He comes up to you with a 0.5M stock
3 answers
asked by
Maria
696 views
How would you prepare 10L of 0.3M KH2 PO4? FW of KH2 PO4= 136.09g
Before you make the solution, wouldn't you find how much solute
2 answers
asked by
Cindy
1,053 views
For the reaction, XBr2(g) <--------> X(g) + Br2(g), if a container is charged to an initial concentration, [XBr2] = 2.00 mol/L
2 answers
asked by
Steve
468 views
When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration,
2 answers
asked by
gary lee
581 views
Calculate the final concentration of ONPG (in μM) if you add 6.16 mL of 3.3 μM ONPG and dilute to a final volume of 10 mL with
1 answer
asked by
Kody
758 views
Find the hydroxide-ion concentration in an aqueous solution when the hydronium-ion concentration is 1×10^−10M. Recall that
1 answer
asked by
Hannah
669 views
you added 3ml stock solution of 0.05mg/ml of dye and 7ml of water, what will be the final concerntration.
1 answer
asked by
cindy
394 views
how many grams of glucose (180grams/mole) to make a 13% glucose solution with a final volume of 600 milliters.
1 answer
asked by
sam
299 views
3) You add 36 g of MgSO4 to pure water to a final volume of 200 mL. What concentration of solution did you make ? Express the
1 answer
asked by
LIN
402 views
Hi there, maybe dumb question but how would I find the initial concentration of Fe^3+??
In lab, we mixed these reactants into one
1 answer
asked by
Ray
454 views
17. neutralizing 20 ml 5.66% potassium hydroxide solution density of 1.053 g / cm3 matter 12.1 ml sulfuric acid density of 1.052
3 answers
asked by
Anonymous
477 views
what is the molarity of concentrated hydrogen fluoride if the solution is 48% by mass and has a density of 1.17 gram per
1 answer
asked by
Cris
412 views
What volumes of 0.00250M salicylic acid solution and 0.1M ferric chloride solution would you need to make 50mL of a 0.00350M
5 answers
asked by
Mike
547 views
A powder concentrate contains 2% w/w of active ingredient. What would be the percentage concentration (w/v) of the resultant
1 answer
asked by
Anonymous
475 views
Indicate how to mix two of the first concentration 3.2 M hydrochloric acid solution and the second to 15% by weight and density
1 answer
asked by
ATTILIA
377 views
A nitric acid solution at 25% by weight has a density of 1.21 KG / L Calculate the volume needed to be taken to obtain 2 L of a
1 answer
asked by
ATTILIA
505 views
How match water make in 0.123 N NaoH for 0.1 N NaoH
1 answer
asked by
chemistry
319 views
the Keq of Mg(OH)2 is 2(10^-11). calculate the concentration of Mg ions in a saturated solution of this compound
2 answers
asked by
Julian
603 views
if you add 15.ml of a 0.250M HCl solution to 50.0ml of a 0.125 MHCl solution what will be the molarity of the resulting solution
4 answers
asked by
Lelo
532 views
Indicate the concentration of each ion or molecule present:
a mixture of 48.0 mL of 0.11 M KClO3 and 28.0 mL of 0.29 M Na2SO4.
2 answers
asked by
Anne
486 views
okay so in lab we made up 2 solutions of FeCl3 and KI. We varied the volumes...I was just wondering how to calculate a new
3 answers
asked by
michelle
959 views
Calculate the concentration of I- in an aqueous solution prepared in a 250 ml volumetric flask from 50.0 ml of a 0.840 mol/L
1 answer
asked by
Sim
620 views
A solution formed by mixing 13.0 mL of 0.013 M Ba(OH)2 with 31.0 mL of 7.0 ✕ 10-3 M NaOH. Calculate [OH-]
3 answers
asked by
Jordyn
639 views
22 g of potassium iodide is diluted in 1 liters of sterile water for injection. what is the final percent strength
1 answer
asked by
Lalo
380 views
Calculate the amount concentration of the cations in the following solutions:
A) 0.5 mol/L sodium carbonate B) 0.2 mol/L ammonium
2 answers
asked by
Cutie
808 views
how many mL of a stock 2.50M HCI solution are required to prepare 25.mL of a 0.15M HCI solution?
2 answers
asked by
latrese
476 views
q// calculate the concentration of Potassium ion in grams per liter after mixing 100mL of 0.250M KCL and 200 mL OF 0.100 M
3 answers
asked by
Ahmed
3,133 views
You have 120.0 mL of a 0.245 M solution of NaCl in an open beaker. After several days, you
test the solution and find that it now
2 answers
asked by
Anonymous
1,226 views
Determine the volume of base ml needed to prepare the following 500 ml of 0.18 % NaOH SOLUTION USING A 10.0 % NaOH SOLUTION
2 answers
asked by
MH
531 views
a)What is the [Ca2+] when 100mL of .05M CaCl2 is added to 100mL of .10M K2SO4?
b) What is the [SO42-] for part a? c) write the
1 answer
asked by
Katherine
428 views
a aqueous solution of hydrochloric acid has concentration of 37. wt % convert in concentration value to molar concentration if
2 answers
asked by
dahat
552 views
Rx Potassium 2:5 Chloride solution 30ml. How many milliliters of a potassium chloride 3:5 solution do you need to prepare the
1 answer
asked by
Anonymous
512 views
The original 10 ml (KIO3) solution is 0.020M is mixed with 10 mL of 0.0020M NaHSO3 which give a total volume of 20 mL. Calculate
2 answers
asked by
Raj
888 views
How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^-6 M solution?
1 answer
asked by
Kris
346 views
How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^-6 M solution?
1 answer
asked by
Kris
290 views
A 150 mg/dl glucose solution was diluted 1:2. Then 0.5ml of it was added to 4.5ml saline 2 ml of this solution was diluted to
2 answers
asked by
Fai
852 views
What is the % M/M concentration of 5.00 mL of methanol in 25 g solution of methanol in water? The density of methanol is 0.791
1 answer
asked by
Rena
413 views
How much 38%Hcl will be used to prepare N/3.05 solution in 2litre water.
1 answer
asked by
abc
375 views
A 2.0% (m/v) NaCI solution contains
Express your answer using two significant figures. g NaCI in 300. mL of solution.
3 answers
asked anonymously
36 views
sulfuric acid is a strong acid and dissociates in water as shown in reaction
H2SO4(aq)=2H^+(aq)+SO4^2-(aq) what is the hydrogen
2 answers
asked by
zak
875 views
How many grams of NaCI are therein exactely 25.00 mL of a 0.1053 M solution of the salt?
1 answer
asked by
Kevin
327 views
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