What is percent by mass of sodium hydroxide in solution
If a solution is made by adding 83 grams of sodium hyroxide to 750 ml of water what is the percent by mass of sodium hydroxide in this solutions ?
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The car first encounters a minimum in reception after it travels 124.0 m. What is the wavelength of the radio waves? Assume that the car and the transmitters are all at the same altitude.
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) -> 2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
The mass of the rope is 2.50 . The geologist at the bottom of the mine signals to his colleague at the top by jerking the rope sideways. (Do not neglect the weight of the rope.)
Describe at least three situations where an American company might want to keep the product the same but alter the promotion. Give three examples where the product must be altered and explain your rationale.
Calculate the angular velocity when the person reaches the edge. Calculate the rotational kinetic energy of the system of platform plus person before and after the person's walk.
What is the molality of chromium(III) chloride in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate (CrCl3· 6H2O) in 250.0 g of water.
A 20.0 kg floodlight in a park is supported at the end of a horizontal beam of mass 20.0 kg. Find the horizontal and vertical forces exerted by the beam on the pole.
How would you support the resistance that you may encounter from your professional community throughout the change process?
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