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Calculate the molar mass of compounds

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1. How many molecules of ascorbic acid (vitamin C:   C686 HO) are in a 50mg tablet? (need molar mass)

2. Calculate the molar mass of these compounds, show work:

  • Phenobarbital (C12H12 N2O3)
  • H2O
  • Pseudoephedrine (C10H16 ClNO)
  • CO2

3. There are 0.96 mol of ibuprofen C13H18 O2 in a bottle. How many mgs? Show cross reactions, conversions, and show work.

4. If there are 2.68 mol of ibuprofen C13H18 O2 in a bottle. How many grams? Show cross reactions, conversions, and show work.

5. The max dose of sodium hydrogen phosphate (Na2HPO4) that should be taken in a day is 3.8 grams. How many moles is this? How many molecules? (you will need molar mass and Avagadro's number).

Reference no: EM132687477

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