What volume of water is needed to dissolve calcium carbonate
Calcium carbonate, or limestone, is relatively insoluble in water. At 25?C, only 5.8 mg will dissolve in 1.0 liter of water. What volume of water is needed to dissolve 5.0 g of calcium carbonate?
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Mass of silver chloride can be produced from 1.03L of a 0.132M solution of silver nitrate: mass of AgCl=19.4g. I figured out part A, could you please help me with part B? B: The reaction described in part A, required 3.79 of sodium chloride. What
Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.340 kg of water to reduce the vapor pressure by 2.87 torr at 40 Degrees Celcius ( PH2O at 40 Degrees Celcius = 55.3 torr).
Unit cell problem of copper (Cu) is a face-centered cube that has an edge lenth of 3.62 A (note: 1A=1*10^-10 m). Determine the volume occupied by one mole of copper atoms, , in terms of mL/mol.
Determine the ionization constant of a 0.0070 aqueous ammonia solution with an OH- concentration of 3.46 x 10^-4 M.
A gas-filled balloon having a volume of 5.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 10-3 atm, respectively. Calculate the
A buffer that contains 0.347 M of a base, B and 0.483 M of its conjugate acid BH+, has a pH of 8.08. What is the pH after 0.00713 mol of HCl are added to 0.442 L of the solution
A 10.0 mL sample of aqueous HCl requires 28.5 mL of 0.12 M NaOH to reach the endpoint. What is the molar concentration of HCl? The equation for the reaction is: HCl+NaOH NaCl + H2O
When Dr. Farrell was a graduate student, he once made up a pH 8.0 sodium acetate buffer. Why would the casual observer to this buffering faux pas come tot eh conclusion that he had the intellectual agility of a small soap dish?
When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
Once the ionic solid has dissolved, the anion that is formed is able to react as a base, with water as the acid. Write the net acid-base reaction that occurs when dissolved NaClO reacts with water
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