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A sample of argon gas collected at STP occupies 5.51 L. How many argon atoms are in 1.00 L of this sample?
What is the mass of the mass(g) of 3.01 * 10^22 formula units of Calcium carbonate?
What is the mass of the mass(g) of 3.01 * 10^22 formula units of Calcium carbonate?
Answers
Answered by
DrBob222
1. How many moles do you have in 1 L? That's 1 L x (1 mol/22.4L) = ? moles.
Then you know that 1 mole of atoms is 6.022E23 atoms. You finish.
2. How many moles are there in 3.01E22 formula units? That's
3.01E22/6.02E23 = ?
Then ? moles x formula unit mass = grams. You finish.
Post your work if you get stuck.
Then you know that 1 mole of atoms is 6.022E23 atoms. You finish.
2. How many moles are there in 3.01E22 formula units? That's
3.01E22/6.02E23 = ?
Then ? moles x formula unit mass = grams. You finish.
Post your work if you get stuck.
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