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100 ml of 1 M acetic acid (pKa 4.76) are placed in a flask. what is the ph if 2mL of 1 M KOH are added, and the total volume is adjusted to one liter with water.
Draw the Lewis structures for the following compounds to assist you in answering this question. 1) CBr2H2 2) BH3 3) XeCl4 4) SF4 5) HCl Which compound has no lone pairs
Concentrated hydrochloric acid is 38% HCl by weight and has a density of 1.19 g/mL. A solution is prepared by measuring 25 mL of the concentrated HCl,
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0 g of luminol to H2O creating a solution with a total volume of 75.0 mL. What is the molarity of the stock solution of luminol?
CH4 and H20 have about the same molecular weights. Which has the higher vapor pressure at room temperature? Explain.
Calculate the sample of concentration. Is this an appropriate concentration for 1H NMR, 13C NMR or both?
Predict the chemical formula of the compound that results from the reaction between the elements Si and O.
what type of phase change does a substance undergo at .750atm and 30 degrees celsius
aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 36.8 ml of hydrogen gas over water
Barium azide is 62.04% Ba and 37.96% N by mass. Assuming that barium exists as its most stable cation in the above compound, what is the molecular formula of barium azide, how many nitrogen atoms compose an azide ion, what is the charge on an azid..
what is the minimum amount of KCN (in g) needed to react with 15.6 g of gold?
Let's say that you are given a 0.215g of unknown weak acid and asked to dilute with 75 mL of DI water. You then use a standardized 0.125 M NaOH to titrate the unknown acid solution
determine what would be the concentration of the final solution if you take a ten mili litres portion of the stock
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