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If you have 400mL of .5 M NH3, how many moles of .47 M HCl must be added to the ammonia solution to reach the equivalence point?
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low, or unaffected.
Determine How much sodium hydroxide (in grams) is required to form 546 mL of solution with a pH of 10.00?
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.
A solution is prepared by mixing 79.0 mL of 5.00 M HCl and 34.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.
The number of moles in 15.39 g of C2H6O (molar mass =46.1 g/mol) is ,You transfer a sample of gas at 17 degrees C from a volume of 4.71 L and 1.10 atm to a container at 37 degrees C.
Calculate the average speed of a gas that has a molar mass of 2.08 × 10-2 kg /?mol at a temperature of 22°C. The value for the gas constant, R, is 8.314 J /?mol K.
A student studied the clock reaction described in this experiment. She set up a reaction mixture by mixing 10mL of 0.010 M KI, 10mL of 0.0010 M Na2S2O3, 20mL of 0.040 M KBrO3 and 10 mL of 0.10 M HCL.
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
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.?
In which compound does sulfur have the highest oxidation number a)Na2S2O3 b)NaHS c)H2S d)KHSO3 e) CuSO4
Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.
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