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Question: A solution has a density of 1.2 g/mL and contains 10% (w/v) NaOH. What is the mass of NaOH..
Question: What is the volume percent concentration of a solution containing 30 mL of ethanol in 150 ..
Question: If 15 grams of sugar is dissolved in 250 mL of water, what is the molarity of the solution..
Question: What is the normality of a solution containing 4 moles of H2SO4 in 2 liters of solution?Op..
Question: A solution contains 20% (w/w) of glucose. If the total mass of the solution is 200 g, what..
Question: What is the molality of a solution prepared by dissolving 3 moles of KCl in 1 kg of water?..
Question: If 10 grams of NaCl is dissolved in 500 mL of water, what is the mass/volume percent conce..
Question: What is the boiling point of a solution containing 0.5 mol of KCl in 1 kg of water? (K_b f..
Question: If the osmotic pressure of a solution is 3.0 atm at 25 °C, what is the molarity of the sol..
Question: What is the vapor pressure of a solution containing 0.1 mol of a non-volatile solute in 1 ..
Question: What is the freezing point of a solution containing 0.3 mol of glucose in 1 kg of water? (..
Question: Calculate the molality of a solution if the boiling point elevation is 1.024 °C. (K_b for ..
Question: What is the osmotic pressure of a 0.2 M NaCl solution at 25 °C? (R = 0.0821 L atm/(K mol))..
Question: If 0.5 mol of a non-volatile solute is dissolved in 1 kg of water, what is the vapor press..
Question: A solution of 0.1 molal urea in water has a freezing point depression of how much? (K_f fo..
Question: What is the boiling point elevation of a solution containing 1 mol of NaCl in 1 kg of wate..
Question: What is the value of k if the roots of the equation x^2 + kx + 16 = 0 are equal?Options: 4..
Question: For the equation x^2 + kx + 9 = 0 to have real roots, what must be true about k?Options: k..
Question: If the roots of the equation x^2 - 6x + k = 0 are 2 and 4, find the value of k.Options: 81..
Question: The quadratic equation x^2 + 4x + k = 0 has roots that are both negative. What is the cond..
Question: What is the value of k for which the equation x^2 - 2kx + 3 = 0 has roots that are recipro..
Question: If the roots of the equation x^2 + 3x + k = 0 are real and distinct, what is the range of ..
Question: For which value of k does the equation x^2 + kx + 16 = 0 have no real roots?Options: -8-40..
Question: The roots of the equation 2x^2 - 4x + k = 0 are 1 and 2. Find the value of k.Options: 2468..
Question: If the equation x^2 - 5x + k = 0 has equal roots, what is the value of k?Options: 5678Corr..
Question: What is the role of a catalyst in a redox reaction?Options: Increase oxidationIncrease red..
Question: Which of the following is an example of a disproportionation reaction?Options: 2H2O2 → 2H2..
Question: In a galvanic cell, which electrode undergoes reduction?Options: AnodeCathodeSalt bridgeEl..
Question: What is the reducing agent in the reaction 2MnO4- + 5C2O4^2- + 6H+ → 2Mn^2+ + 10CO2 + 3H2O..
Question: Which of the following is a characteristic of a redox reaction?Options: Transfer of electr..
