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Butylated hydroxytoluene (BHT) is utilized as an antioxidant in processed foods. It prevents fats and oils from becoming rancid. A solution of 2.505 g of BHT in110.0 g of benzene had a freezing point of 4.600°C. Explain what is the molecular weight of BHT?
What is the expected pH of this solution. Estimate the free carbonate ion concentration in this solution. Estimate the concentration of carbonic acid in solution.
a 30 gram block of an unknown metal at 86.0oc was dropped into an insulated flask containing approximately 40.0 grams
a 381- sample of unknown solution reacts completely with to form 13.1 . what was the concentration of the
What is the minimum volume of 7.0M HCl required to completely dissolve 14.0 grams of magnesium metal?
A solution is initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH if 0.030 mol of solid NaOH is added to 1.00 L of this solution
A flask contains 400 ml of .5 M phosphate buffer that has a ph of 7.5 What volume of .1 M HCl should be added to drop the ph to 7.1
Suppose that 4387.0 J of heat energy is added to 8 g of ice initially at -11 C. (This could be done, for example, by electrical heating of ice in an insulated container.) What is the final temperature of the water
Explain what is the pH at the equivalence point when 0.10 M HNO3 is utilized to titrate a volume of solution containing 0.30 g of KOH
When heated 8.17 g of a salt of hydrated magnesium chloride MgCl2. xH2O, where x represents the number of moles of H2O per mole of MgCl 2, you lose all the water of hydration, leaving 2.50 g of MgCl2. Determine the value of x.
A 300.0-mL saturated solution of copper(II) peroidate (Cu(IO4)2) contains 0.44 grams of dissolved salt. Determine the Ksp.
After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution
consider the base monosodium phosphate and write the structure of the conjugate acid of this base and explain why an
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