An aqueous solution of orthophosphoric acid, H3PO4, has a measured density of 1.2089 g/mL and is...
n 14 1. An aqueous solution of phosphoric acid, H3PO4 contains 285 H3PO4 in 400 ml. solution, and has a duty of 135 g ml. Molama H3PO4 - 97.9951 g/mol). This has two portion questions Show the work clearly. a. Calculate the weight H3PO4 in this solution (4 pts) what is the concentration in mol L of this solution (pt)
You measure out 4.9 mL of an aqueous ethylenediamine (H2NCH2CH2NH2) solution. This aqueous solution has a density of 0.950 g/mL and is 25.0% by mass ethylenediamine. How many moles of ethylenediamine are in the 4.9 mL?
Calculate the mole fraction of phosphoric acid (H3PO4) in a 25.4% (by mass) aqueous solution. (Assume 750 mL of solution.) What is the molarity of the solution? What is the molality? (At 20 ° C, the density of phosphoric acid is 1.1462 g/mL and the density of water is 0.99823 g/mL.)
You measure out 5.2 mL of an aqueous ethylenediamine (H2NCH2CH2NH2) solution. This aqueous solution has a density of 0.950 g/mL and is 25.0% by mass ethylenediamine. How many moles of ethylenediamine are in the 5.2 mL?
The density of a 0.84 M aqueous sugar (C12H22O11) solution is 1.12 g/mL at 25°C. What is the molal concentration? The molar mass of C12H22O11 = 342.3 g/mol.
A.) An aqueous solution of sulfuric acid is made by dissolving 585.0 g of sulfuric acid in enough distilled water to make a one liter solution. Calculate the molarity, the molality, the mass% and the mole fraction of sulfuric acid in this solution. The density of this solution is 1.350 g/mL. MW H2SO4 = 98.00 g/mol. Please explain!! Thank you B.) Which substance(s) is (are) miscible in water? CH3CH2OH CI4 C6H6 CH3(CH2)13CH2OH CH3OH HOCH2CH2OH
An aqueous solution has a density of 1.68 g/mL and contains 80.9% sugar by mass. How many kilograms of sugar are contained in 1.80 gallons of this solution? (1 gallon = 3.785 L) 5.09 kg 3.70 kg 9.26 kg 6.02 kg 2.45 kg
7. You make 1 Liter of an aqueous solution containing 9.20 ml of 57.8 mM acetic acid and 56.2 mg of sodium acetate (MW = 82.0 g/mole). a. How many moles of acetic acid did you add? b. How many moles of sodium acetate did you add? c. What is the appropriate formula for calculating the pH of the above solution? d. What is the pH of the above solution? Is it acidic or basic? Slightly or strongly so? (Use...
8. You prepare a 500 ml solution that contains 436 NOH The solution has a density o has a measured density of 1.100 g/ml The density of 100 ml. and the density o NaOH is 2.13 g/cm. Complete the following table: Mass of Solute Moles of Solute Volume of Solute Mass of Solvent Moles of Solvent m (moles solute/kg solvent) Total Moles of Solution mole fraction NaOH Mass of Solution mole fraction H20 Volume of Solution ppm (mg solute/L solution)
An aqueous solution is 36.0° by mass hydrochloric acid, HCl, and has a density of 1.18 g ml. The molarity of hydrochloric acid in the solution is M Subrnit Answer Try Another Version 1 item attempt remaining