What volume of a concentrated solution has a density
What volume of a concentrated { HCl} solution, which is 36.0% { HCl} by mass and has a density of 1.179 {g/mL}, should be used to make 5.30L of an {HCl} solution with a {pH} of 1.7?
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Consider a general polyprotic acid system with equilibria between species H2A+, HA, and A-. Rather than starting with the diprotic form of the acid (as in Problem 1), suppose that you made a solution by adding the monoprotic form HA to water.
What mass of sucrose should be combined with 488 of water to make a solution with an osmotic pressure of 8.25 at 280?
Four 1.8 kg masses are located at the corners of a square 0.20 m on each side. Find the magnitude and direction of the gravitational force on a fifth 1.8 kg mass placed at the midpoint of the bottom side of the square.
An unknown salt is either NaF, NaCl or NaOCl.When 0.050 mol of the salt is dissolved in water for form 0.500 L of solution, the pH of the solution is 8.08. What is the identity of the salt?
Why is the amount of limiting reagant-not the excess reagnet-always used to predict the mass of products formed?
Logic can do a great deal in helping us understand our arguments. Explain what advantages we obtain by studying logic in terms of improving our reasoning
An automobile club plans to race a 750 kg car at the local racetrack. The car needs to be able to travel around several 175 m radius curves at 91 km/h. What should the banking angle of the curves be so that the force of the pavement on the tires o
Assuming that fluorine-18 has a half-life of 109 minutes how long will it take for the level of fluorine-18 in the body to drop to 10% of its initial value?
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