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If 60.00 mL of water is added to 40.0 mL of 4.00 Molarity NaC1, what will the concentration of the new solution be? I came up with 1.454 MNaC1 but my teachers says it was wrong.
The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10-3 min-1. How long will it take for the concentration of H2
What is E for the transition of an electron from n = 7 to n = 4 in a Bohr hydrogen atom. What is the frequency, of the spectral line produced
A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONA) in 1.20L. What is the pH of the buffer after the addition of 0.02 mol of HI
In the reaction of aluminum metal and oxygen gas to make aluminum oxide, how many moles of aluminum will react with 0.80 grams O2?
We are given an unknown antacid pill and through the procedure in this lab we determine its cost effectiveness to be 5.0x10-1 mole of acid/$. Can we also determine the number of moles of base in the pill
How many copper atoms and how many zinc atoms are in the penny provided. You will have to do some research to help with this one
Calculated what is the pressure in atm using the van der Waals' equation for Oxygen gas under these conditions? For O 2 , it is given a = 1.360 L2atm/mol2 and b = 3.183E-2 L/mol.
You have 100 moles of solvent (not water). You have determined that 100g of dissolved sucrose incrases its boiling point temperature by 10C. For 100 moles of the pure solvent, how much mass (in grams) of salt
The compound adrenaline contains 56.79% C, 6,56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula for adrenaline?
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
Calculate the molality of methanol in a solution prepared by dissolving 75.0 mL methanol, CH3OH (density = 0.791 g/mL), in 150 g ethanol.
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25C. Calculate the pH at 25C for a solution formed by mixing 28.0 mL of 0.260 M HC5H3O3 and 23.0 mL of 0.21 M NaC5H3O3 and diluting the total volume to 125 mL.
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