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A solution is made by dissolving 5.2246g of EDTA in 4.0000 liters of DI water. Assuming the EDTA was dried at 80°C and it still contains 0.3% excess moisture, calculate the EDTA molarity. (0.003499M)
What is the price of a 5.4 microgram piece of copper, if copper sells for $0.15 per cubic inch and has a density
What is the molar solubility of silver bromide in a solution that also contains 0.050M Ag+ ions at 25 °C? The Ksp of AgBr is 5.4 × 10-13.
the reaction of copper(I) sulfide with oxygen gas as follows: Cu2(s) + O2(g) ? 2Cu(s) + SO2(g) If 0.330 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced
If 37.4 grams of water decomposes at 297 Kelvin and 1.30 atmospheres, how many liters of oxygen gas can be produced? 2 H2O (l) yields 2 H2 (g) + O2 (g)
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
Methyl benzoate - Acid and Base Organic Chemistry, In preparation of methyl benzoate, what is the purpose of 1. washing the organic layer with sodium bicarbonate solution?
The final volume of the system is 58.0 L. What was the initial volume of the system if the internal energy of the system decreased by 102.5 J?
In an experiment you combine 4-methyl-2-pentene and water, in the lab you setup the experiment using a a heater, condenser and N2 gas and add the reagent H2SO4
If 147 g of CaO and 267 g of NH4Cl are mixed, what is the maximum possible yield of NH3?
Calculate the pressure when the volume is 1.22 L and the temperature is 307 K.
Calculate the potential of a platinum electrode immersed in a solution that is prepared by mixing 25.00 mL of .0832M V\(V_{2}(SO_{4})_{3}\)
a gas expand and does P-V work on the surroundings equal to 294 J, at the same time , it absorbs 196J of heat from the surroundings. what is the change in energy of the system
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