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how many moles of excess reactant are present when 2.90*10^2 ml of .182 M sulfuric acid reacts with .423 L of .170 M sodium hydroxide to form water and aqueous sodium sulfate?
Acetic acid flowing at the rate of 20kg pe min. Product p is of combination leaves at rate of 100 kg per minute. Determine the composition of p?
if 77.0 mL of .150 M HCl (aq) is needed to neutralize all the NH3(g) from a 2.25 gram sample of organic material, calculate the mass percentage of nitroge in the sample.
what is the pressure in a gas containter that is connected to an open-end manometer if the pressure of the atmosphere is 722 torr and the level of mercury in the connected to the container is 8.60cm
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas.
It takes 78.2 J of energy to raise the temperature of 45.6 g of lead by 13.3 oC. What is the specific heat capacity of Pb? What is the molar heat capacity of Pb.
Calculate the molarity of a solution of HBr if 34.80 mL of the HBr solution neutralize 0.834 g of Na2CO3. The following is the unbalanced equation for the reaction
Calculate the final volume of the reaction mixture: B. Calculate the number of moles of each reagent (acetone, iodine, and acid) in the resulting reaction mixture: acetone: iodine: acid:
Determine how many grams of the following solutes would be needed to make 550 mL of a 0.700 M solution.
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?
The rate of disappearance of HBr in the gas phase reaction is 0.103 Ms-1 at 150 deg Celsius. what is the rate of reaction.
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