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What is the formula?

(b) Calculate the mass in grams of phosphorus in 0.414g of  

(c) What percentage of the daily value of phosphorus comes from this tablet?

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Related questions

calculate the molecular weight of phosphorus if 2.3437 grams are dissolved in 50.00 grams of para-dibromobenzene and the solution freezes at 81.35 degrees C. What is the molecular formula for phosphorus?


Molecular mass = ? and Molecular formula = ?


Please show your steps and the work!


Elemental phosphorus is made by heating calcium phosphate with carbon and sand in an electric furnace. What is the mass percent of phosphorus in calcium phosphate? Use this value to calculate the mass of calcium phosphate (in kilograms) that must be used to produce 15.0 kg of phosphorus. 

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