Originally, a mole was the quantity of anything that has the same number of particles found in 12.000 grams of carbon-12. That number of particles is Avogadro's number, which is roughly 6.02x1023. A mole of carbon atoms is 6.02x1023carbon atoms. A mole of chemistry teachers is 6.02x1023...
What does a subscript indicate in a chemical formula? What does chemical formula mean in science? What does the term "mole" mean in chemistry? What is the definition of chemistry? What does polyatomic mean? What is the definition of electropositive in chemistry?
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Hi, I 've been searching for the meaning ofpMand it is somehow related to pH (hydrogen potential). I've tried searching on the web but unfortunately there seems to be no exact definition (except for "prime minister"). I'd be very greatful if someone could answer this . Thanks....
It should be fairly obvious that you could have plugged in the mole fraction right away in this particular example because only one type of atom was present on both sides of the equation. However, it's good to know the procedure for when you come across more complicated problems to solve....
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What will determine whether a compound, such as O_2, will have a net movement into or out of the cell? In which direction do you think the diffusion occurs in the body? Why? What is a data domain? What does the 'NA' in DNA and RNA stand for?
Mole Snacks: +533/-147 Re: What molecule is this cropcircle depicting? Whats it's potential use(s)? «Reply #9 on:July 29, 2012, 05:41:20 PM » Yeah, retinal does look pretty close. I Googled for the image, but I didn't find anyone who'd made the connection. But they do...
How does Avogadro's Constant relate to the mole? Avogadro's Constant defines the number of particles in one mole, making it fundamental in relating mass to the number of atoms or molecules. 9 Is Avogadro's Number still relevant in modern chemistry? Yes, Avogadro's Number is still used for...
Hence, 1 mole of Sodium weighs 23 grams.We know,Since the atomic mass of Sodium is 23, we can also write it as 23 g/mol.Therefore, we conclude that Option B is the correct answer.Additional Information:The atomic number of a chemical element is the n...