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A 20.0ml sample of 0.800 m Hbr solution is titrated with 0.800 m NaOH solution calculate the pH of the solution after these volumes of base are added 12.5 ml 18.7 ml 20.0 ml 29.5 ml and 34.2?
Samranisic
Looks as if you will need to calculate the pH of the final solution. The formula you need will be [H+] = 1 x 10-6 M.
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A 50.0 ml sample of 0.43 m benzoic acid c6h5cooh is titrated with 0.50 m naoh calculate the pH at the equivalence point ka of c6h5cooh equals 6.5 10-5?
8.78
How do you calculate non volatile matter percentage in a solution?
Non volatile matter = [(W2-W1)/V] x 100 where W2 :Weight of beaker [Before sample addition & evoporation] W1 :Weight of beaker [after sample evoporation] V : Volume of sample taken
How do you prove there is glucose in a sample?
You can prove there is glucose in a sample by using Benedict's Solution. Heat up the sample, and add the Benedict's Solution. Assuming the solution is clear, if glucose is present it will change colour to red, or yellow, or green. If not, it will stay clear.
A sample of 76g of NaCl is dissolved to make 1L of solution. what is the molarity of the solution?
1.3g
How do you titerate?
After expelling a solution from a micropipettor into a second solution you gently mix the sample using the micropipettor
A 30.0 ml sample of 0.200 m koh is titrated with 0.150 m hclo4 solution calculate the pH after 39.9 ml of hclo4 is added?
10.332
A 25 ml sample of 723 m hclo4 is titrated with a 273 m koh solution the h3o concentration after 66.2 ml of koh is?
1.00x10^-7
What is titrand?
There are answers elsewhere on the web. In summary, a titrand is the solution (or other substance) which one has in a conical flask or beaker into which the titrant is titrated from a burette.
Why is it necessary to filter different volume of sample?
It is necessary to filter in different volumes of a sample because it may take more or less liquid for a solid to completely dilute in the solution. The amount of solution you use is completely dependant on the formula.
A corrosion technologist pipetted a 100 ml hard water sample and titrated it with 37.64 ml of 0.01 m edta solution for a total hardness endpoint and 29.32 ml of 0.01 m edta solution for a calcium?
3.00 M
A 25.00 mL sample of HBr is titrated with 0.150 M standardized sodium hydoxide solution the endpoint was reached when 18.80 mL of titrant had been added calculate the molar concentration of the HBr?
(25.00ml HBr)( Molarity ) = ( 18.80ml NaOH )( 0.150 M ) Molar concetration of HBr = 0.108 M
In equal volumes of normal rainfall and baking soda solution which sample would have a greater amount of hydrogen ions?
normal rainfall
How do you determine the concentration of ascorbic acid in unknown sample?
first measure the volume of the sample solution needed to change the blue color of the DCPIP solution into colourless. then, weigh the mass of the sample solution. finally calculate the concentration by using the formula: volume required t change the color of DCPIP solution (dm) per mass of the sample solution (g)
A 50.0 ml sample of 0.43 m benzoic acid c6h5cooh is titrated with 0.50 m naoh calculate the pH at the equivalence point ka of c6h5cooh equals 6.5 10-5?
8.78
A 25.0 ml sample of hcl was titrated to the endpoint with 15.0 ml of 2.0 normality naoh what was the normality of th hcl what was its molarity?
The HCL concentration is 1.2M or 1.2N
What is argentimetric titration?
In analytical chemistry, argentometry is a type of titration involving the silver(I) ion. Typically, it is used to determine the amount of chloride present in a sample. The sample solution is titrated against a solution of silver nitrate of known concentration. Chloride ions react with silver(I) ions to give the insoluble silver chloride:Cl− (aq) + Ag+ (aq) → AgCl (s) (Ksp = 1.70 × 10−10)
Solution is prepared by dissolving 13.3g ammonium sulfate in enough water to make 100.0 mL of stock solution A 12.00 mL sample of this stock solution is added 57.00 mL of water Calculate the concen?
sdfa
