Question 12 Determine the molarity of a 0.919 m aqueous solution of HNO3. The density of...
At 20.0 oC, what is the Molarity (M) of a 15.0% by mass aqueous HNO3 (MM = 63.01 g/mol) solution whose density is 1.243 g/mL?
1a. An aqueous solution has a Molarity of 1.632 M. The density of the solution is (1.150x10^0) g/mL and the solute has a molar mass of (1.33x10^2) g/mol. What is the molality of this solution? 1b. An aqueous solution has a mass percent of solute of 18.4%. The density of the solution is (1.400x10^0) g/mL and the solute has a molar mass of (1.77x10^2) g/mol. What is the molality of this solution? 1c. An aqueous solution has a molality of...
Determine the molarity of a sodium sulfate aqueous solution that is 77% by mass. The density of the solution is 1.67 g/ml
If the molarity of an aqueous solution of barium chloride is 5.23 M, and the density of the solution is 1.20144 g/mL, then what is the mass % of the solute (percent by weight, also written sometimes as wt%) at 25.0 ºC?
Determine the molarity of a sodium bromide aqueous solution that is 54% by mass. The density of the solution is 2.41 g/cm3 10.8 M 12.6 M 1.86 M 0.0126 M 2.18 M
Calculate the molarity of a 2.53 m aqueous solution of manganese (II) chloride with a density, ρ = 1.033 g/mL. Report your answer to THREE significant figures.
An aqueous solution at 25 ∘C is 12.7 % HNO3 by mass and has a density of 1.059 g/mL. What is the pH of the solution? Use the Henderson-Hasselbalch equation to determine the moles of H+added to the solution, resulting in a pH=7.24
An aqueous solution at 25 °C is 10.8% HNO3 by mass and has a density of 1.044 g/mL. What is the pH?
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction of 0.081 and a density, ρ = 1.078 g/mL. Report your answer to THREE significant figures. 4b Calculate the molarity of a 41.2% by mass aqueous solution of copper (I) sulfate with a density, ρ = 1.177 g/mL. Report your answer to THREE significant figures. 4c Calculate the mole fraction of the solute of a 4.211 m aqueous solution of cadmium (II) bromide with...
at 20 degree Celsius an aqueous solution of HNO3 that is 35.0% HNO3 by mass has a density of 1.21g/mL A). how many grams of HNO3 are present in 2.73 L of this solution? B.) what is the volume of this solution will contain 502 g HNO3?