Transcription of Mole Worksheet #1: moles particles
1 Name _____ Date _____ Period _____ Mole Worksheet #1: moles particles The mole is simply a number equal to 602,000,000,000,000,000,000,000 or x 1023. How large is a mole?? Well, if you had a mole of pennies, you would have enough money to pay all the expenses of the United States for the next billion years. A mole of large marshmallows would cover the United States to a depth of more than 600 miles. Questions 1. A mole is counting number . The following are also counting numbers. What number do each of the following terms represent? dozen_____ gross_____ pair_____ mole_____ score _____ ream (of paper)_____ 2. List the four types of representative particles that are referred to in your textbook?
2 Converting moles to representative particles : representative particles = moles X X 1023 representative particles 1 mole Converting representative particles to moles : moles = representative particles X 1 mole X 1023 representative particles 3. Determine the number of representative particles in each of the following. Show factor label method. A. mol silver B. x 10-3 mol NaCl C. mol CO2 D. mol N2 4. Determine the number of moles in each of the following. Show factor label method. A. x 1020 atoms Pb B. x 1024 molecules glucose C. x 1023 formula units NaOH D. x 1025 Cu2+ ions 5. Make the following conversions.
3 Show factor label method. A. x 1015 atoms Si to mol Si B. x 10-2 mol NO2 to molecules NO2 C. x 1025 molecules CCl4 to mol CCl4 D. mol Ca to atoms Ca
