Element is Gold use 6.02 x 1023 for Avogadro's number or you may be counted wrong!!! 1. What is the symbol for your element? (Must be after Xe in Periodic Table). Au 2. What is the molar mass of your element? (include units). 197 g/mol 3. How many atoms are in a mole of your element? (No calculation needed) 4. If you have 2.15 x 1024 atoms of your element, how many moles is that? 5. If you have 2.15 x 1024 atoms of your element, how many grams is that? 6. Theoretically speaking, if your element was in the gas state at STP, how many liters is 56.87 grams of your element? (Most elements are not gases at STP so this question is just theoretical) You must solve this using CHM 130 knowledge only.
Element is Gold use 6.02 x 1023 for Avogadro's number or you may be counted wrong!!! 1. What is the symbol for your element? (Must be after Xe in Periodic Table). Au 2. What is the molar mass of your element? (include units). 197 g/mol 3. How many atoms are in a mole of your element? (No calculation needed) 4. If you have 2.15 x 1024 atoms of your element, how many moles is that? 5. If you have 2.15 x 1024 atoms of your element, how many grams is that? 6. Theoretically speaking, if your element was in the gas state at STP, how many liters is 56.87 grams of your element? (Most elements are not gases at STP so this question is just theoretical) You must solve this using CHM 130 knowledge only.
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter8: Chemical Composition
Section: Chapter Questions
Problem 128CP: itamin B12 , cyancobalamin, is essential for human nutrition. Its molecular formula is...
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