What is the osmotic pressure of a solution prepared
What is the osmotic pressure of a solution prepared from 13.7g of the electrolyte HCl and enough water to make 0.500L of solution at 18 degrees C?
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A certain element has two isotopes with Abundance and Mass as 73%, 99 amu, and 27%, 118 amu. How do you find the atomic weight of the element in amu?
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The ionization constant Ka of the indicator chlorophenol redis 1.0x10^-6. The color of the nonionized form of the indicator(HIn) is yellow and that pf the ionized form (In-) is red. What is the color of the indicator in a solution whose pH is 8.oo
If the temperature rise of the calorimeter with water was .570 degrees C, calculate the enthalpy of combustion of magnesium. Mg+1/2 O2 produces MgO
Consider a Zn(s) strip and/vs a Cu(s) strip in separate beakers of water. Which of these metals has its reducing strength increased to the greater extent by treatment with 1 M H2S?
The solubility of oxygen in lakes high in the Rocky Mountains is affected by the altitude. If the solubility of 02 from the air is 2.67 x 10^-4M at sea level and 25 C, what is the solubility of oxygen at an elevation of 12,000ft where the atmosphe
A bleaching solution contains sodium hypochlorite, NaClO, dissolvedin water. The solution is 0.685 mNaClO. What is the mole fraction of sodium hypochlorite?
Calculate the mass of a piece of copper that released 125 calories when cooled from 100.0 degrees celsius to 25.3 degrees celsius. the specific heat of copper is 0.00924 cal/g X degrees celsius.
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