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What is the Volume of 1.05 mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL?
How many mL Hydrochloric acid of 0.1 M must be added to 100 mL of a 0.2 M solution of tris base to form a buffer ( pH 7.8)?
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Determine how much of each type of solution must be used to fill the prescription and Special eye drop solution for a glaucoma patient must have a 2% active ingredient, a pharmacist is to prepare 15ml of it but the he has 10% solution & 1% solution..
Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.
adding the two portions of water into your calorimeter the temperature of the mixed portions of water to be 45 oC. determine the heat capacity of the calorimeter?
The water level in a graduated cylinder initially at 220 rises to 279 after a piece of lead is submerged. What is the mass in grams of the lead.
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
Considering the given equation Fe2O3 (s) + 3 CO (g) ? 2 Fe (s) + 3 CO2 (g) this is The overall reaction for the production of iron from iron ore (Iron (III) oxide) determine How many kilograms of iron are required to form 10,000 kilograms of Fe?
An experiment shows that a 112-mL gas sample has a mass of 0.120 g at a pressure of 733 mmHg and a temperature of 33.0°C.
The density of chloroform, a widely used organic solvent, is 1.4832 at 20 . How many milliliters would you use if you wanted 119.0 of chloroform.
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
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