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A standard solution contains 0.156 mg Fe/mL solution.
a. 5.01 mL of this solution is delivered into a 100-mL volumetric flask and then water is added to the calibration mark on the flask. What is the concentration of the diluted solution in mg Fe/mL solution?
b. What is the total mass of iron (Fe) in the 100 mL volumetric flask.
a 50 ml vol. of 25 ppm solution of niiiis made fromnicl26h20.a.what is the concentration of niii in micromolar units.b.
Sketch Flow diagram and explain the extraction process - What is the purpose of extracting the organic layer with water in the first extraction step?
To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 3.20mol of gas measured at 251 degrees Celcius in a 1.75-L container assuming r..
Calculate the mass of nitrogen dissolved at room temperature in an 80.0 {rm L} home aquarium. Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
NIST-JANAF table deltaG standard formation values at 5400 K for N(g), O(g) and NO(g) are 113.817 kJ/mol, -108.155 kJ/mol and 23.568 kJ/mol.
The balloon is going to be taken to the top of the mountain where the air pressure is 0.64 atm and temperature is -10ºC. To what volume should the balloon be filled at the base of the mountain so that it is fully inflated at the top
Question- An archaeologist discovers a fossil with a carbon-14 activity of 7.5 dpm per gram of carbon. If carbon-14 has an activity of 15.3 dpm, what is the estimated age of the fossil. (t1/2 = 5730 years)
calculate the Al(III) concentration in the original unknown solution by correcting the dilution made when preparing the sample for analysis.Given: 10 mL unknown solution
Arrange the following solutions in order of decreasing freezing point- 0.20 m MgCl2, 0.15 m C6H6, 0.10 m CrBr3, 0.15 m CH3CH2COOH, 0.35 m NaCl.
calculate the molalities of the following aqueous solutions.a 1.40 m sugar c12h22o11 solution density of solution 1.12
A sample of gas with an initial volume of 33.0 L at a pressure of 765 mmHg and a temperature of 325 K is compressed to a volume of 16.2 L and warmed to a temperature of 440 K. What is the final pressure of the gas?
solution is titrated with a solution of NaOH. 23.10mL of the NaOH solution is required to titrate the HCl. Calculate the molarity of the NaOH solution.
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