(b) Draw a more accurate representation of one unit of C,H,O, dissolved in water.

(c) Determine the number of moles of sugar (O) in 250 mL of an aqueous (Owater) solution whose sugar concentration is 0.35 M. Hint: M = mol/L. How will you deal with the differing magnitudes (mL vs L) for the units of volume? solute C

4) Write a chemical equation describing the dissolution of Ba(NO3)2 in water. To give you an example of what I'm looking for, for NaBr, the equation would be NaBr(s) → Na*(aq) + Br- (aq). 5) Based on your equation from question 4, if 41.9 g of Ba(NO3)2 are dissolved in water to produce a total solution volume of 495 mL, determine the molarity of NO3- in the solution?

concentration of the solution. (c) the mass in grams of NiCl2 contained in each liter O. A 12.5% (w/w) NiCl2 (129.6l g/mol) solution has a density of 1.149 g/mL. Caleulate(a) the molar concentration of NiCl, in this solution. (b) the molar CI oncentration of the solution. (c) the mass in grams of NiCl, contained in each liter of this solution. 10- Describe the preparation of (a) 2.50 L of 21.0% (w/v) aqueous glycerol (C.HO: (92.1 g/mol). (b) 2.50 kg of 21.0% (w/w) aqueous glycerol. (c) 2.50 L of 21.0% (v/v) aqueous glycerol. U- Describe the preparation of 900 mL of 3.00 M HNO, from the commercial reagent that is 70.5% HNO, (w/w) and has a specific gravity of 1.42. 12- A solution containing 10.0 mmol CaCl, is diluted to 1 L. Calculate the number of grams of CaCl2. 2H2O per milliliter of the final solution. 13- Calculate the grams of each substance required to prepare the following solutions: (a) 250mL of 0.100 M KOH, (b) 1.00 L of 0.0275 M K;Cr,O, (c) 500ml of 0.0500 M CUSO4. 38 0%…

Express the quantity 33.2×10−4m33.2×10−4⁢m in mmmm.

(a) 1.23 M sugar (C₁₂H₂O₁) solution (density of solution 1.12 g/mL) 1.09 201 (b) 0.849 M NaOH solution (density of solution 1.04 g/mL) m (c) 5.21 M NaHCO, solution (density of solution 1.19 g/mL) m Guided S

1. CH3OH (shown below) is soluble in water. Draw molecular level pictures representing: (a) a container with only CH3OH (several molecules) before mixing and (b) after CH3OH is dissolved in water H H-C H 2. MgCl₂ is an ionic compound that is soluble in water. Draw a molecular level picture that represents after MgCl2 is dissolved in water. H— :0:

A total of 10.0 g of potassium permanganate, an ionic compound with chemical formula KMnO4, is dissolved in water such that the final volume of the solution is 850 mL. What is [KMNO4] in that solution?

look at the dissolution of solid sodium chloride in water. In answering the following questions, you may draw, but not replace, your explanation with the drawing a) Describe the structural features and type of chemical bonding that exists in solid sodium chloride. b) Describe the structural features and the type of chemical bonding that exist in water molecules. c) Explain how water molecules dissolve salts like sodium chloride.

Give the mass of the solute and mass of the solvent for 1.30 L of a solution that is 14.0 % of Pb(NO3)2 by mass (the density of the solution is 1.16 g/mL), starting with solid solute.       Express your answers using three significant figures. Enter your answers numerically separated by a comma.