The electrical conductivities of the following 0.100 M solutions were measured in an apparatus that contained a light bulb as the indicator of conductivity. Rank the solutions in order of decreasing intensity (brightest to dimmest) of the light bulb.Rank from brightest to dimmest bulb. To rank items as equivalent, overlap them.HF, CH3OH, KI, Al(NO3)3

can volumetry or electrogravimetry be used to measure lead concentrations in water?

a. Calculate the freezing temperature of 1.50 m urea,N2H4CO. Urea is a covalent compound.b. Calculate the freezing temperature of 1.50 m LiBr, anionic compound.

Please do not give solution in image format thanku 4.The water is "softened" through:   to. Replacing minerals with sodium   b. Heating   c. Addition of low levels of iron and manganese to the water   d. Addition of calcium and magnesium to water   5. Which of the following alternatives is not one of the main causes of corrosion in drinking water pipes?   to. The pH of the water   b. The chemical composition of water   c. Amount of oxygen in the water   d. They all cause corrosion.   6. Legionnaires' disease is a type of pneumonia caused by bacteria. It is usually acquired through the __________. The bacteria can come from hot tubs, showers, or air conditioning units in large buildings.   to. Contaminated water suction   b. Unsanitized bedding   c. soak in drinking water   d. Contaminated water intake   7. What is the common name for sections of pipes in buildings filled with sewage in order to prevent sewage gases and bad odors from entering the building?   to. traps   b. sanitary…

Assuming that solutions of the given compounds are equal in concentration, which of the following is arranged in order of decreasing conductivity? a. FeCl3 > LiOH > citric acid > glucose (C6H12O6) b. glucose (C6H12O6) > citric acid > LiOH > FeCl3 c. FeCl3 > glucose (C6H12O6) > citric acid > LiOH d. LiOH > FeCl3 > glucose (C6H12O6) > citric acid

Of the following solutions, which has the greatest buttering capacity? A) 0.521 M HC2H302 and 0.217 M NaC2H302 3) 0.365M HC2H302 and 0.497 M NaC2H3O2 (9) 0.121 M HC2H302 and 0.116 M NaC2H3O2 D) 0.821 M HC2H302 and 0.713 M NaC2H302

Calculate the molarity (M) of a 58% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).

In no morethan 1000 words. Propose a procedure in preparing a 500 mL 1 M sodium hydroxide solution using the following materials, reagents, glass wares, and instruments. (Show necessary calculations):  Materials/Glass wares:• 500 mL beaker• 500 mL volumetric flask• Weigh boat Reagents:• Distilled water• 300 g NaOH pellets Instruments:• Analytical balance.

What is the %( w/v) of a salt solution prepared by dissolving 7.5 g of salt in 242.5 mL of water?

You have been hired as lab manager for Dr. Fuchs’ research lab. She has asked you to prepare 850 ml of a 1.5 M potassium permanganate (KMnO4) solution. How would you go about preparing this solution?