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A 1.30 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons.
how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?
Calculate the expected pH of the buffer after the addition of 1.0 mL of 1 M HCl. Remember that you are using 50 ml of the buffer so be sure to calculate the number of moles of acetic acid
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
If a mixture containing 27.76 g each of NH4Cl and Ca(OH)2 is heated, how many grams of NH3 will be produced. Which reactant remains in excess, and in what mass
Calculate the molarity of a saturated solution of sodium hydrogen carbonate, NaHCO3 (aq) that contains 69.0 grams in 1.00 liter of solution.
This first-order reaction is 25% complete after 26 s. How much longer would one have to wait in order to obtain 99% conversion of benzoyl chloride to benzoic acid?
Why must you avoid using your hands in handling the magnesium ribbon and the crucible and cover? 2.Why must objects be cooled to room temperature before taking their weights(masses)
In the synthesis of Aspirin using salicylic acid and acetic anhydride, i need a side equation for a reaction that might form salicylic acid during the workup of the product instead of acetic acid.
For a solution containing 0.0066 M calcium nitrate and 0.054 M nitric acid, calculate the activity of the calcium ion.
1) Bakelite us obtained by the condensation of : 2) When HCHO reacts with Nh3, the compound formed is :
Aminotransferases are enzymes that catalyze the interconversion of amino acids and ?-keto acids. In this way, they can provide the carbon needed for gluconeogenesis from amino acids supplied by dietary protein
The density at 20 degrees celsius of a 0.500 M solution of acetic acid in water in 1.0042 g/mL. what is the molality of the solution? the molar mass of acetic acide, CH3CO2H is 60.05 g
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