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Question- If I have an unknown compound mixed with methylene chloride. Can I separate the two using water and then distilling the water out?
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30 mL of 0.25 M acetic acid are titrated with 0.05 M KOH. What is the pH after addition of 75 mL KOH
electrons as dots and showing all non bonding electrons for C2Cl4 tetrachloroethylene and CO2 carbon dioxide
what will be the equilibrium temperature when a 245 g block of lead at 300oc is placed in 150-g aluminum container
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..
A diatomic gas X2 reacts with another diatomic gas Y2 to form gaseous XY3. 5,00 g of X2 contains 1,07 x 1023 molecules of X2. The compound XY3 contains 82,25% X by mass. Identify element X and Y
determine the mass of a.30.0 ml of the liquid propylene glycol a moisturizing agent for foods which has a density of
Calculate the solubility-product constant for PbCrO4. Ksp = (c) The Ksp of Tl2S at 25 oC is 6.00e-22. What is the molar solubility of Tl2S? solubility = mol/L
Compare the rate at which pH changes when HCl is added to the buffer solution the the rate of change when no buffer or base is present (distilled water).
Acetaminophen was reacted with K2CO3 and iodoethane to yield phenacetin. Would a similar reaction take place if cyclohexanol, K2CO3, and iodoethane were mixed together. Explain.
The compound KB5O8·X H2O was analyzed and found to contain 24.6% of water. If the formula weight of this compound is 293.15 g/mol, what is the number of water molecules (X) in the formula?
A 50.00-mL sample of white dinner wine required 24.76 mL of 0.03867 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid
What is the atomic number of the element located in group 16, period 2 of the periodic table. Enter the atomic number.
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