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Moles, Density & Concentration Questions And Answers.
| 1. | How many grams of NaCl represent 1 mole ? | ||
| A. | 23 | ||
| B. | 35.5 | ||
| C. | 58.5 | ||
| D. | 69.5 | ||
| 2. | Calculate the number of moles in 42 grams of NaHCO3? | ||
| A. | 0.5 | ||
| B. | 1 | ||
| C. | 1.5 | ||
| D. | 2 | ||
| 3. | Calculate the number of moles in 369 grams of CaOCl2? | ||
| A. | 1 | ||
| B. | 2 | ||
| C. | 3 | ||
| D. | 4 | ||
| 4. | Which of the following has the same number of moles as in 398 grams of CuSO4 ? | ||
| A. | 2 grams of hydrogen | ||
| B. | 40 grams of oxygen | ||
| C. | 35 grams of nitrogen | ||
| D. | 58.5 grams of Sodium chloride | ||
| 5. | What are the number of moles of Hydrogen in 158 grams of Ammonium Bicarbonate ? | ||
| A. | 5 | ||
| B. | 10 | ||
| C. | 15 | ||
| D. | 20 | ||
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