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Calculate the boiling point elevation of an aqueous solution where enough urea (CH₄N₂O) is added to make a 0.45 molal solution. Use the boiling point elevation constant of water.
Determine the weight of the sample, if it is used 24.9ml of 0.1 Normal sodium hydroxide of titrant (33.29% of busulfan (C7H6O2)
Explain how the earth's atmosphere was described as violet during the first billion years
Ni crystallize s in a face - centered cubic structure. The radius of nickel atom is 1.25 A°.
What is the length of the unit cell edge in angstrom?
How to make sulphur ointment
If you need 25,000 A of current to carry out electrolysis for 15 minutes, what voltage would you need if you are to use 1.7 kWh for the process?
If a single unit of Na weighs 3.82 x 10 -23 g, what is the mass in grams of a unit cell of Na?
the molality of 0.05 M HCL(aq.) in 5L solution at 4 degree C is
If 2.00 moles of a gas occupies 12.0 L at STP, 5.00 moles of the gas will occupy how many L at STP?
What molal solution is made when adding 90 grams of K2SO4 to 0.55 kg of water?
