How much distilled water must be added to 0.5 mL of 0.1 M FeCl3 to make it 0.001 M FeCl3?
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How much distilled water must be added to 0.5 mL of 0.1 M FeCl3 to make...
0.5 mL of 1% (w/v) coagulant is added into 250 ml of raw water. 0.1 mL of 0.1% (w/v) polymer is added into the water sample with coagulant. What is the mass concentration of flocculant in mg/L
1) How much water must be added to 400. mL of 0.400 M ethanol solution to create a 0.0400 M solution? 2) Which solution will have the highest concentration of ions? a) 0.100 M NH4Cl b) 0.100 M K2SO4 c) 0.100 M glucose d) 0.100 M Na3PO4 e) They all have equal concentration
0.1081 g of an unknown compound containing CO3^2- was added into 50 mL of distilled water. It took 14.05 mL of 0.1 M HCl to reach equivalence point 2 from titration. What is the percent carbonate CO3^-2 of the unknown compound?
How much water shoud be added to 500. mL of a 2.40 M H2SO4(aq) solution to make a 1.00 M H2SO4(aq)? Thank you!
If 2.0 mL of distilled water is added to 3.0 mL of a 0.150 M solution of CoCly, what is the concentration of the resulting solution? Show your work. (a) What is a calibration curve? (b) Why do we use a calibration curve to determine the concentration of our unknown 5. A colored sample with a concentration of 0.160 M has an absorbance of 0.80 in a 1.0 cm path length cuvette. (a) What would be the absorbance expected if...
b) Write a statement of Lambert's Law. If 2.0 mL of distilled water is added to 3.0 mL of a 0.150 M solution of Cocl, what is the concentration of the resulting solution? Show your work.
How much 5.6 M NaOH must be added to 490 mL of a buffer that is .190 M acetic acid and .025 M sodium acetate to raise the pH to 5.75?
How much 5.90 M NaOH must be added to 650.0 mL of a buffer that is 0.0210 M acetic acid and 0.0240 M sodium acetate to raise the pH to 5.75?
how much HCL is needed? please show calculations Prepare 500 mL of a 0.1 M HCl (conc. HCl stock is approx. 12.1 M) solution by diluting the appropriate quantity of conc. HCl with distilled water. Show your instructor the calculation before making the solution. Fill your burette with the HCl solution and standardize it against sodium carbonate as follows.
Ten grams of an unknown acid was added to 50.0 mL of distilled water. The molarity of the resulting solution was found to be 8.0 M. What is the moral mass of the unknown acid?