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Concentration and Dilution
Page 2
Questions (67)
g)How many grams of agarose are needed to make 100 ml of 2.5% agarose solution?.
h) Calculate the volume of buffer to which 500mL
2 answers
asked by
roshan
575 views
An aspirin tablet weighing 0.650 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved
the
3 answers
asked by
un
567 views
An experiment requires 0.7 M NH3(aq). The
stockroom manager estimates that 15 L of the base is needed. What volume of 15 M
2 answers
asked by
lauren
575 views
) A chemist dissolves 1.000 x 103 g of potassium hydroxide in enough water to make 1.5 L of stock solution. The chemist later
2 answers
asked by
Anonymous
551 views
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to preapre 5L of 0.1M nitric
2 answers
asked by
twynna
551 views
Compound A is provided as a 500mM solution. If 12.5 mL is taken and added to 12.5mL of water, how many moles (or millimoles /
2 answers
asked by
jake
540 views
you have 20ml of an aqueous solution of 0.2M NaOH. if you add distilled water to this solution until you have 200ml , what will
3 answers
asked by
katlego
526 views
it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of
3 answers
asked by
T
531 views
If you had one gallon of concentrated hydrochloric acid (12 N) and added water to make dilute hydrochloric acid (6 N), how much
2 answers
asked by
Jeff
544 views
What is the concentration of Na+ ions if 35.0 mL of 2.50 M NaOH is reacted with 47.0 mL of 1.50 M
HCl? I did M=Moles/Volume
2 answers
asked by
annoymous
513 views
A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of
2 answers
asked by
kim
501 views
An unknown amount of water is mixed with 310 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is
2 answers
asked by
ag
514 views
Consider the concentration of the final solution made in two volumetric flasks. In flask A the liquid was filled to a level
2 answers
asked by
Jennifer
484 views
What is the final volume if 125 mL of a stock solution of nitric acid at 10.30 M is diluted to 0.500 M?
3 answers
asked by
Anonymous
464 views
I have asked this question before but I was not clear enough. I want to prepare a 37% w/w solution (in water)of sulfuric acid
1 answer
asked by
Pam
471 views
1.64 L of a 4.95 M solution is diluted to form a 2.58 M solution. (Rounded to 3 sig figs) there are __________ L of the 2.58 M
1 answer
asked by
Pooja
463 views
If gatorade has been diluted by a factor of 25 and reads 53.5 intensity units, what is the concentration of Na+ in the original
1 answer
asked by
Anonymous
475 views
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Parent Categories (12)
Analytical Chemistry
Chemical calculations
Chemical Equations and Stoichiometry
Chemical Reactions and Stoichiometry
Chemical Solutions
Chemistry
Measurement and Calculations
Solutions
Solutions and Mixtures
Solutions and Solubility
Stoichiometry
Word Problems