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Mg(s) + HCl(aq) -→ MgCl2(aq) + H2(g) .What mass of HCl is consumed by the reaction of 3.84 mol of magnesium? Answer in units of g.
what is the percent by mass of a solution on made by dissolving 163 grams of table sugar in 755 grams of water.
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
how do you find the specific heat of platinum if 23.6 grams is heated from 10.0c to 20.0c using 30.68 J of heat.
Define Supercritical fliud. Give an example and it's properties. Which fundemental thermodynamic property is important to the solubility
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
Calculate the number of grams of sulfuric acid in 0.520 of battery acid if the solution has a density of 1.35 and is 37.4 sulfuric acid by mass.
Determine what percent by weight of sodium carbonate does it contain If the specific gravity of the sodium carbonate solution = 1.25,?
A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C.
The half-life of Plutonium-239 is 24,000 years. If 10 gms are present now, how long will it take until only 10% of the original sample remains? Round your answer to the nearest 10,000th.
Octane has a density of 0.692 g/mL at 20 degrees celsius How many grams of oxygen are required to burn 1.10 gal of octance.
Calculate the concentrations of all species in a 1.08 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
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