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How many grams of propanol (C3H7OH, 60.10 g/mol)would be needed to make 750 mL of a solution with an osmotic pressure of 25 atm at 25°C? (R = 0.0821 L.atm/K.mol)
Q5: Calculate the concentration of chromate ion (CrO<sub>4</sub><sup>2-</sup>)in
Q8: Indicate all the types of intermolecular forces
Q13: Consider the species O<sub>2</sub><sup>-</sup>, O<sub>2</sub>, and O<sub>2</sub><sup>+</sup>.
Q15: An unknown substance was added to a
Q40: A solution is 40.0% by volume benzene
Q42: On analysis, an equilibrium mixture for the
Q42: Hydrogen peroxide decomposes to water and oxygen
Q68: The mineral manganosite, manganese(II)oxide, crystallizes in the
Q114: What is total number of lone pairs
Q124: Atoms share electrons.<br>A)1 and 4<br>B)1 and 3<br>C)2