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A solution of 1.00 g of anhydrous aluminum chloride in 50.0g of water freezes at -1.11C. Does the molar mass from the freezing point agree with that calculated from the formula?
the ph for a 2.6 moll propanoic acid solution was 2.24. what is thenbspkanbspof propanoic acid given that propanoic
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content, a 10.00 g sample of the vase was ground and reduced with Pb(Hg) to convert any WO3 to W3 . ..
The temperature of the mixture is 0? , and the total pressure is 1.00 atm . How many grams of helium are present in the gas mixture? Mass of He =?
silver has two naturally occurring isotopes. find the percent abundances of 107ag and 109ag given the atomic mass of
the density of silver is 10.48 g/cm3 at room temperature, what is the edge length of a unit cell of crystalline silver? Report your answer in picometers
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
The combustion of one mole of benzene, C6H6, in oxygen releases 3268 kJ of heat. The products of the reaction are carbon dioxide and water.
Provide one complete series of sample calculations to show how you determined the concentration of the HCl unknown. Calculate the average concentration of the HCl solution.
Above what temperature, in °C, will the following reaction become spontaneous? Assume free energy, enthalpy, and entropy are not temperature dependent.
A 0.200 M solution of a weak monoprotic acid HA is found to have a pH of 3.00 at room temperature. What is the ionization constant of this acid?
The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass of Mg(OH)2 in the original sample. When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride..
Compare the temperature change as a pure liquid is converter to a solid at its freezing point with the temperature change as a solution is converted to a solid at its freezing
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