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Bleach is a dilute solution of NaOCl in water.The density of bleach is 1.05g/ml. If the percent by mass of NaOCl is 6% what is the [NaOCl]?
Use the molar volume of a gas at STP to determine the volume (in L) occupied by 15.1 g of neon at STP.
A 140.0-\,mL solution contains 2.00g of sodium benzoate and 2.53g of benzoic acid. Calculate the \rm pH of the solution.
the rate constant for a certain reaction is 3.40times10-3 . if the initial reactant concentration was 0.750 what will
A container with a volume of 101 L contains how many atoms of argon gas at STP?
how many grams of dry need to be added to 2.30 of a 0.400 solution of ammonia to prepare a buffer solution that has a
Calculate the change in entropy (deltaS) when one mole of diamond is heated from a temperature of 0 K to 400 K at a constant pressure of 1 bar. The temperature-dependent heat capacity of diamond is Cv
A sample of sodium reacts completely with 0.142 of chlorine, forming 234 of sodium chloride. What mass of sodium reacted?
When visible light passes through a solution of nickle(2) sulfate, a green solution results. a. What are the spin-allowed transitions responsible for this color
What is the pH of a solution that has an initial concentration of 0.25 M oxalic acid and 0.35 M oxalate ion? Consider only the first ionization of oxalic acid (Ka = 5.9 x 10-2).
The heat capacity of the solid lead oxide is given by:Cp = 44.35 J/K/mol + 1.47*10^-3 T J/K^2 Calculate the change in enthalpy of 3.25 mol of PbO(s) if it is cooled from 750 K to 300 K at constant pressure
Why is high pressure needed in Hplc? And what is a bonded phase in liquid chromatography
dissolved .31 grams of khp in 25 ml of water and it required 15.5ml of naoh to reach end of titration how many moles of
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