21. Commercial grade fuming nitric acid contains about 90% HNO3 by mass with a density of...
Introductory chemistry 20 A nitric acid solution containing 71.0% HNO3 (by mass) has a density of 1.42 g/mL. ow many moles of HNO, are present in 2.36 L of this solution? b) Determine the molarity of the acid.
A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0%HNO; by mass. What mass of HNO3 is present per liter of solution?
71. A solution of nitric acid has a density of 1.5 g/mL and is 20% by weight HNO3. a. What is the molarity of this solution of HNO;? b. What volume of this solution should be taken in order to prepare of 5.0 L of a solution of 0.15 M nitric acid by dilution with water? In order to obtain a precise concentration, the 0.15 M HNO solution is standardized against pure Hgo (molar mass = 216.59 g/mol) by titrating...
17. The density of nitric acid (which is HNO3 in water) is 1.42 g/mL. The m/m% of HNO, in nitric acid is 69% m/m. How many grams of HNO3 are in 1 mL of nitric acid? a) 0.99g b) 99g c) 2.1g d) 0.021 g e) 0.49g
B. Commercial nitric acid comes in a concentration of 16.0 mol/L. The density of this solution is 1.42 g/mL Calculate the percent (w/w) of nitric acid, HNO3, in this solution. How many milliliters of the concentrated acid have to be taken to prepared 250 g of a solution that is 10.0%(w/w) HNO3? C. Citric acid, H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy. An aqueous solution...
3. Concentrated nitric acid is 70.4% HNO, by mass and has a density of 1.42 g/mL. What is the molarity of concentrated nitric acid? a. 11.2 M b. 55.5 M c. 7.87 M d. 14.6 M e. 15.9 M
commercial nitric acid is 71%HNO3 (MM:63.0) and has a density of 1.42g/mL. calculate molality and mloarity
Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL. How much concentrated solution would you take to prepare 1.05 L of 0.120 M HNO3 by mixing with water?
Find the molarity of nitric acid in a reagent labeled “70.0 wt% HNO3, density = 1.413 g/mL.
"Be mindful of significant figures." 2. A sample of nitric acid is prepared which contains 0.0030 moles of HNO, in water to make 1500 mL of solution. This is a strong acid and completely dissociates: HNO3 + H2O → H3O+ + NO3- Calculate the molarity of the solution (moles/liter), its [H,0"), and its pH value.