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What is the balanced equation? What is the calculation of the number of moles and grams of Al2(SO4)3 formed from 15.3 grams of H2SO4. Answering to 3 significant figures.
Al(OH)3 + H2SO4 → Al2(SO4)3 + H2O
a boy wants to prepare an aqueous solution of sucrose with a vapor pressure of 15.0 mm hg at a temperature of 20 degree
Find out the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left.
How much water is produced from the reaction of 170 grams of hydrogen fluoride with excess silicon dioxide if the percent yield of the reaction is 82%?
question what is the stoichiometric coefficient for oxygen gas when the following reaction is balanced using the
Ethylene glycol, C2H6O2, is an ingredient of automobile antifreeze. Its density is 1.11 g/cm3 at 20 °C. If you need 500. mL of this liquid, what mass of the compound, in grams, is required?
What is the typical range of Ka and Kb values for weak acids and bases. Which value represents the weakest and which the largest. What would be the pH of solutions 0.1 M in the acid or base at the extremes of the range.
4 KO2 + 2 H2O + 4 CO2 4 KHCO3 + 3 O2 1.86 moles of O2 were produced.Now, How many molecules of O2 does this number of moles represent.
NO(2) + CO--> NO +CO(2) is 125 Kj/mol and delta E for reaction is -216 kJ/mol. What is the activation energy for the reverse reaction. (NO+CO(2)--> NO(2) +CO
How many grams of NaCl would you add to a beaker before adding distilled water (Q.S.) to make 250 mL of an isotonic solution
Suppose that 4.13 L of methane at a pressure of 800. Torr is transferred to a vessel of volume 2.42 L. What is the final pressure of methane if the change occurs at constant temperature
Show that using many small volumes of organic solvent in an extraction from an aqueous phase is more effective than using fewer, larger volumes
The inventor proposed the revolutionary design of the new engine based on the heat stored in the ocean. The inventor plan is to mount it on a boat in San Francisco and set off on a journey across the Pacific Ocean. Heat is extracted from the ocean
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