Calculate the ph of a solution prepared by mixing aqueous hf
Calculate the pH of a solution prepared by mixing 250. mL of 0.174 m aqueous HF (density = 1.10 g/mL) with 38.7 g of an aqueous solution that is 1.50% NaOH by mass (density = 1.02 g/mL).
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Vitamin C (L-ascorbic acid; MW = 176.0 g/mol) is a weak acid (pKa = 4.863). Suppose a 500.0 mg tablet is dissolved in water and titrated with 0.100 M NaOH. How many mL of NaOH are required to reach the equivalence point?
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Hydrogen gas is produced when zinc reacts with sulfuric acid: If 162 of wet is collected over water at 24 and a barometric pressure of 739 , how many grams of hydrogen have been consumed? (The vapor pressure of water is 22.38 .)
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