Other Chemistry Answers

The non-volatile, non-electrolyte TNT (trinitrotoluene), C7H5N3O6
(227.10g/mol), is soluble in benzene C6H6. Calculate the osmotic
pressure generated when 14.3g of TNT are dissolved in 242ml of a
benzene solution at 298 K.

What four categories of data do the Argo floats collect?

A 250 mL glass of orange juice contains 22 grams of sugar. How much sugar is in a two-liter (2,000 mL)
bottle of orange juice?

What is the molality of 25.0 grams of KBr dissolved in 750.0 mL pure water?

What is the molarity of concentrated HF in the solution is 48% HF by mass and has a density of 1.17g/mL?

1. 1.456 g sample of unknown alloy was dissolved in acid and diluted to 100 mL. What was the percentage (by weight) of iron in the sample, if titration of 20.00 mL aliquot of the diluted solution requires on average 33.45 mL of 0.01005 M solution of potassium permanganate?
​​5Fe2+ + MnO4- + 8H+ → 5Fe3+ + Mn2+ + 4H2O

The mass of premature babies is customarily determined in grams. If a premature baby weighs 1550 g, what is its mass in pounds?

10mg of potassium was deposited when a current of 0.5A was passed through fused potassium chloride for 1.5hr at 25°C. Calculate the electrochemical equivalent of potassium at this temperature.

A wave has a wavelength of 0.05m and a wave speed of 10 m/s. What is the frequency of the wave?