How many moles of hno3 are present
A nitric acid solution containing 71.0% HN)3 (by mass) has a density of 1.42 g/mL. How many moles of HNO3 are present in 1.00L of this solution?
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170 mL of an HCl solution with pH of 2.30 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
If 277 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
You need 4.5L of nitric acid solution with ph 6. you have unlimited amounts of nitric acid solution with a hydronuim ion concentration of 0.01M. Describe how you would form the required solution from the standard solution?
An ordinary 3.0 V flashlight bulb draws roughly 0.25 A of current and converts about 1.0% of the electrical power into light (λ = 550 nm). If the flashlight beam initially has a cross-sectional area of 10 cm2: (a) How many photons are emitt
A 36 gram sample of copper at 99.8 C is dropped into a beaker containing 207 grams of water at 18.5 C. what is the final temperature when thermal equilibrium is reached.
An extended source emits 2.00 W cm-2 sr-1 nm-1 at 300 nm. Calculate the spectral radiant power impingent on a 1.00 cm2 receptor that5 is 2.00 M away in W nm-1 and photons s-1 nm-1 if a 1.00 mm diameter aperture is placed at the source. What is the
Identify appropriate bond angles of each. Identify orbital hybridization, electron domain geometry, and molecular geometry of each
acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate Ka for acetic acid.
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