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| Question | Answer |
| You have 23 moles of Tantalum (Ta). How many grams is this? | 4161.9g Ta | You discover that the head of a match contains 1.6 grams of Sulfur. How many atoms of Sulfur does a match contain? | 3.0 X 10^22 atoms S | While cleaning a cut, you spill a bottle of Iodine. The label says that the bottle holds 500 grams of I. How many moles of I are there? | 3.94 mol I | Your silver watchband masses out at 326g. How many moles of Ag do you have? | 3.022 mol Ag | A gold coin contains 3.47 X 10^23 gold atoms. What is the mass of the coin in grams? | 113.5 g Au | If we put 3.68 X 10^29 atoms of mercury on a gram balance, what would the sample weigh in grams? | 1.23 X 10^8 g Hg | How many individual atoms are in a sample of xenon that has a mass of 38.54 grams? | 1.77 X 10^23 atoms Xe | Your toothpaste probably contains around 62g of fluorine per tube. How many atoms of fluorine are in one tube of toothpaste? | 1.965 X 10^24 atoms F | The head of a golf club might contain 250 grams of titanium. How many moles is this? | 5.22 mol Ti | The shaft of that same golf club probably contains around 35 moles of graphite, a natural form of pure carbon. How much might the shaft of the club weight in grams? | 420.4 g C | Find the mass in grams of 2.00 X 10^23 molecules of fluorine. | 6.3 g F | Find the mass, in grams, of 1.00 X 10^23 molecules of nitrogen. | 2.33 g N | How many particles are there in 1.43g of a molecular compound with a gram molecular mass of 233g? | 3.69 X 10^21 particles | How many moles of magnesium is 3.01 X 10^22 atoms of magnesium? | 0.05 moles | How many moles are in 1.20 X 10^25 atoms of phosphorus? | 19.93 moles | How many atoms are in 0.750 moles of Zinc? | 4.515 X 10^23 | How many molecules are in 0.400 moles of dinitrogen pentoxide? | 2.408 X 10^23 | How many molecules are in 5.5 moles of calcium? | 3.31 X 10^24 | How many molecules are in 75.8 grams of silicon? | 1.62 X 10^24 | How many grams are in 3,045 atoms of beryllium? | 4.55 X 10^-20 |