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If 2.24 of CuNO3 is dissolved in water to make a 0.740 M solution, what is the volume of the solution in milliliters?
Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Be sure your answers have the correct number of significant
If you dilute 21.0 mL of the stock solution to a final volume of 0.500 L, what will be the concentration of the diluted solution?
A solution is prepared by dissolving 10.0 grams of ammonium sulfate in 215 mL of water. What is the molar concentration of ammonium in the solution?
1. calculate the numbers of moles of 2-butanol that needed to dissolved in ethenol125gms just to form 12 m 2 butanol
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 12.0% NaOH by mass
how would each of the following change the rate of the reaction shown here? 2NO(g) + 2H2(g) > N2(g) + 2H2O(g)? a)adding NO(g). b)lowering the temperature. c)removing some H2(g) d)adding a catalyst
What is the percent yield of a reaction in which 145.5 g phosphorus trichloride reacts with excess water to form 69.4 g HCl and aqueous phosphorous acid (H3PO3)
What molar ratio of acetic acid to sodium acetate is required to create a buffer solution having a pH of 4.84 at 25°C
strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. if the mass of an atom of sr is
In an experiment 1.550g of mercury oxide decomposed to give oxygen gas and 1.435g of liquid mercury. What is the empirical formula of mercury oxide
If the initial concentration of A was 4.75 M, what was the concentration of A (in M) after 180.0 min?
A noble gas with a mass of 13.1 g occupies a 2.5 L container at a pressure of 3.2 atm at 298 K. What is the identity of the noble gas
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