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.

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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.
Transcribed Image Text: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.
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