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For this you need the Atomic Mass of Na. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel.

2.1 moles Na Ã— (23.0 grams) = 48.3 grams Na

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Q: How many grams are there in 2.1 moles of sodium?

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21 grams

This value is 9,2.10 ex.21 moles.

1.56 X 10^21 atoms of sodium ( 1 mole Na/6.022 X 10^23) = 0.00259 moles sodium or 2.59 X 10^-3 moles sodium

4.828gNa X (1 mole/22.989gNa) = .21 22.989 = atomic weight of Na

How do you find the mass ratio. And how many grams fluorine is made at decomposition.

Sodium has an atomic mass of 29.990 g/mol. This means that 124 sodium atoms have a mass of 3718.76 amu, if the isotopes follow the average. To find in grams, the following must be used: 124 sodium atoms equal 2.0598 * 10-22 moles, so 124 sodium atoms have a mass of 6.177 *10-21 grams.

One mole of any element or conpound is equal to its atomic mass in grams. The atomic mass of Li is 7 AMU so 1 mole is 7 grams. So there are three moles of Li in 21 grams

21 pounds = 9,525.44 grams

21 ounces = 595.34 grams.

21 ounces = 595.34 grams.

21 ounces is 595.34 grams

21 grams = about 0.0463 pounds.

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