How many grams of oxygen reacted with the phosphorus
When .192 g of phosphorus reacts with oxygen, .440 g of a white oxide is formed. How many grams of oxygen reacted with the phosphorus?
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calculate the pOH and the pH when 45.0mL of 3.00 mol/L potassium hydroxide solution is diluted by adding 100.0 mL of water.
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A 2.10-g sample of a large biomolecule was dissolved in 14.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point c
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A 10.0 mL sample of vinegar, an aqueous solution of acetic acid, is titrated with 0.5062 M NaOH, and 16.58 mL is required to reach the equivalence point.
A 2.9 m solution of methanol (CH3OH) in water has a density of 0.984 g/ml. What are the a) mass percent, b) molarity, and c) mole fraction of methanol in this solution?
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