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Diphosphorous pentoxide(3.54g) has rected with ferric oxide (5.45g).what is/are the mass/masses of the product/products obtained per reaction assuming 85% yield?
A student wishes to make a soution of lithium hydroxide (LiOH) to a strength of 1.7 mol/L. If he is going to make a total volume of 1.5 L
How many air molecules are in a 11.5 * 12 * 10 room? Assume atmospheric pressure of 1.00 atm a room temperature of 20.0 Celsius and ideal behavior.
(a) What conditions are represented by the abbreviation STP. Temperature °C Pressure atm (b) What is the molar volume of an ideal gas at STP
A solution is prepared by adding 34.5 g of Ca(OH)2 and 15.l3g of KOH to 1500ml volumetric flask and adding water to the mark. What is [OH-],[H30+],[pH]
A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
What are the equilibrium concentrations of NO-2 , HNO2, H+, and OH- in an aqueous solution prepared by combining 50.0 mL of 0.0500 M NaNO2 and 50.0 mL of 0.0800 M HCl? Ka = 7.2 x 10-4 for HNO2.
Write out the additional equations you would need to consider. d. Confirm that the number of equations is equal to the number of unknowns.
Calculate the solubility of silver chloride in a solution that is .100 M in NH3. Ksp for AgCl = 1.77x10^-10. Kf for Ag(NH3)2+ = 1.7x10^7
To make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate, would you need to add a little less or little more hydrochloric acid to the reaction
a sample of hydrogen occupies a volume of 1.20 liters at a pressure of 425 kilapascals. if the temperature of the gas
if you had a saturated solution of nano3 at 40 degrees celsius that contained 85 grams of water how much of the salt
A) How many ions will this compound create in aqueous solution ? B) What is the coordination number of chromium ?
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