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Calcium in blood or urine can be determined by precipitation as calcium oxalate CaC2O4. The precipitate is dissolved in strong acid and titrated with potassium permanganate. The products of the reaction are carbon dioxide and Manganese ii ions.
A 24 hour urine sample is collected from an adult patient reduced to a small volume and titrated with 26.2 mL of 0.0946 M KMnO4. How many grams of calcium oxaltate are in the sample? and a balanced equation would be nice as well
Calculate the molarity of an aqueous NaOH solution if 30.10ml of .500M H2SO4 is required to reach the end point when titrated against 10.00mL of NaOH solution.
Determine the new temperature and express your answer in degrees celsius,?
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of Phosphorus-32 , how many grams of P-32 will remain after 98.0 days?
what was the concentration of the nitric acid? Write the neutralization reaction, balance it, name the products THEN Solve the problem above
What mass of iron is needed to supply the energy required to warm 15ml of water from 23 C to 37 C.
dissolved in the same volume of distilled water, how do you expect the conductivities of each solution to compare? Explain your reasoning.
Liquid-in-glass thermometer are of two types:mercury in glass and alcohol plus red dye in glass. the dependence of volume on temperature of mercury and alcohol.
If 5.400 g of C6H6 is burned and the heat produced from the reaction is absorbed into 5691 g of water and 21 degrees C, what is the final temperature of the water?
solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. Write a balanced chemical equation for this reaction.
Sodium carbonate is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×103 of sulfuric acid solution?
What mass of zinc in grams is required to produce 3.2L of H2 (g) from the following reaction at 78 degrees celcius and 790mmHg? Please explain
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