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Find the volume of a molar solution.
What volume of a 2.00 molar solution of sulfuric acid, H2SO4, is essential to react with 250.0g of magnesium carbonate, MgCO3, according to the following equation?
MgCO3 + H2SO4 → MgSO4 + CO2 + H2O
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A mixture of gases has the partial pressures of 0.308 atm due to He, .259 atm due to N2, and the rest is due to O2. If the total pressure of the mixture is 752 mmHg, what is the partial pressure due to oxygen?
The combustion of SO2(g) has Keq=5.60x10^4 at 350 degrees Celcius. If 0.350bar of SO2(g) and 0.762bar of O2(g) are mixed initially, what are the partial pressures of each of the three gases when the mixture reaches equil ...
Aluminum displaces cobalt from a 0.2 M solution of cobalt(II) perchlorate. Cobalt does not displace chromium from a solution of 0.2 M chromium (III) nitrate. Aluminum metal does not displace calcium from a 0.2M solution ...
The volume of a sample of nitrogen is 6.00 liters at 35oC and 740 torr. What volume will it occupy at STP?
What mass of NaH 2 PO 4 must be added to 1.20 L of 0.20 M Na 2 HPO 4 to make a buffer solution whose pH=6.90? pK a2 (H 3 PO 4 )=7.21.
Directions: "Refer back to equation (2), and consider carefully whether you could simply have used the pH value of the solution at the very beginning of the titration, before any base had been added, to determine either ...
A. How many milliliters of a 0.72 MHCl solution do you need to obtain 0.0032 mol of HCl? B. A flask containing 470 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on ...
Could someone please help me Balance the following redox reaction in a basic solution: CuS + NO 3 - Ò Cu 2+ + NO + S 8
Question 1 - State why the second part of each statement is incorrect and correct it. a) Ammonium phosphate is (NH 3 ) 4 PO 4 b) Ammonium hydroxide is ALOH 3 c) Cr(NO 3 ) 3 is chromic(ii) chloride d) ...
A 15-gram sample of neon is placed in a sealed container with a constant volume of 8.5 liters. If the temperature of the container is 27ºC, which of the following expressions gives the correct pressure of gas? The ideal ...
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