Q2 Derive the following formula to find U (mass of water/mass of solid in the thickened sludge):

35. For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 3.51 g NaCl: 25 mL c. 3.51 g NaCl: 75 mL b. 3.51 g NaCl; 50. mL d. 3.51 g NaCl; l.00 L

How do we define the mass percent composition of a solution? Give an example of a solution, and explain the relative amounts of solute and solvent present in the solution in terms of the mass percent composition.

The notation “(l)” after a substance’s formula indicates it exists in the __________ state.

A solution is prepared by adding 17.75g of H2SO4 in enough water to makeexactly 100 mL of the solution. If the density of the solution is 1.1094 g/mL, what is the mass percent of H2SO4 in the solution?

Determine the volume percent of a solution made by dissolving: (a) 46.8 mL of butanol in enough ethanol to make 262  mL of solution (b) 6.0 mL of methanol in enough water to make 23.2 mL of solution (c) 38.0 mL of isoamyl alcohol in enough acetone to make 640 . mL of solution

What mass of HCl is contained in 45.0 mL of an aqueous HCl solution that has a density of 1.19 g cm -3 and contains 37.21% HCl by mass?

An aqueous solution of 4.62 M potassium bromide, KBr, has a density of 1.37 g/mL. The percent by mass of KBr in the solution is %.

A commercial bleaching solution contains 3.62% by mass ofsodium hypochlorite, NaOCl. What is the mass of NaOCl in abottle containing 2.50 kg of bleaching solution?

14) Which of the following terms best describes a carbonated beverage?(a) compound (b) heterogeneous mixture(c) homogeneous mixture (d) substance(e) none of the above show step solutions 15) Alum is used in styptic pencils to stop minor bleeding. If the formula is Al2(SO4)3 what is the total number of atoms in one formula unit of alum?(a) 10 (b) 12 (c) 14 (d) 17 (e) 2116) Using atomic notation, indicate the isotope having 25 p+, 30 n0,and 25 e-a. 2580Mn b. 2555Mn c. 5525Mn d. 2555Zn e. 3055Zn Show step by step solutions  17) Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu).Calculate the atomic mass of element X given the abundance of X-7 is 92.5%.(a) 6.09 amu (b) 6.50 amu(c) 6.52 amu (d) 6.94 amu(e) 12.5 amu Show step by step solutions 18) Which of the following photons of visible light is most energetic?(a) blue (b) red(c) violet (d) yellow(e) all visible light photons have the same energy Show step by step solutions 19) Which element has the following…