q (joules) AH (ki/mol) RUN REAGENT MASS/VOLUME TI It AT 24.82°C 0.1100 g 100 ml 19.20°C Mg HCI 0.1102 g 100 ml 19.50°C 24.55°C Mg HCI Calculate q and AH° for the following process: Mg (s) + 2H* (ag) → Mg* (aq) + H2 (g) 1.

What is the mass percent NaCl when 30.3 grams of sodium chloride are dissolved in 127.2 grams of water.

Calculate the molarity of 0.650 mol of Na, S in 1.40 L of solution. molarity: Calculate the molarity of 22.3 g of MgS in 801 mL of solution. molarity:

9). What is the boiling point of the automobile radiator fluid prepared by mixing 1.04  L of ethylene glycol (HOCH2CH2OH, density = 1.114 g/mL) with 1.08  L of water (density = 1.000 g/mL)? The Kb of water is 0.520°C/m.

1) Please show the steps before the answer very confused.

A saturated solution of a compound contains .15g of solute in 100 g of water.  Is a second solution containing .05 g of solute dissolved in 25 g of water unsaturated, saturated, or supersaturated?

A student mistakenly uses 0.31g Mg. Will the temperature change of the solution be affected/ If so, will it be larger or smaller that it would be have been using 0.15g mg?    Explain.   The amount of heat released is (independent of the quality, a molar quality, depends on the temperature)

Q2. The density of 60.0% (by mass) of an aqueous soluton of propanol, C3H,OH(aq), is 0.8824 g/mL at 20.0 degC. What is molarity of propanol in tis aqueous solution ? Molar mass of propanol is 60.1 g/mol and water is 18.0 g/mol. (hint: use the handy value 1000 mL) Q3. Followed previous question, what is mole fraction of propanol in this aqueous solution ?

An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 1.61 m and a density of 1.25 g/mL. What is the molarity of acetone in the solution?

What mass of NaCl is dissolved in  400. g   water in as 0.250 m solution?