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How many Ag atoms are there in a 88.1 gram sample of Ag?
A 88,1 gram sample of Ag contain 4,9185.10e23 atoms.
How many atoms are in a 0.250 mole sample of magnesium?
The number of atoms is 1,50553521.10e23.
How many atoms are in sample of chromium with a mass of 13 grams?
Take the actual sample weight of 13grams, and divide it by the atomic weight of chromium. This gives you your molar percentage of atoms. Now multiply this molar percentage by Avogadro's constant, the number of atoms in one mole, and this will give you your number of atoms in the sample.
How many gold atoms does Au contain?
This depends on the mass of the gold sample.
How many half lives have elapsed to yield a sample with 125 atoms of C-14?
We have now way of knowing unless we know the initial number of C-14
How many Ag atoms are there in a 88.1 gram sample of Ag?
A 88,1 gram sample of Ag contain 4,9185.10e23 atoms.
If a sample is 10740 years old and has 400 atoms how many atoms are there after the organisms died?
After 10740 years, half of the sample would have decayed, so there would be 200 atoms left. If the original sample had 400 atoms, then there would be 200 atoms left in the sample after 10740 years.
How many atoms are in a 0.250 mole sample of magnesium?
The number of atoms is 1,50553521.10e23.
How many atoms are in a 12.0 grams sample of sodium?
There are approximately 6 x 10^22 atoms in a 12.0 gram sample of sodium.
How many atoms are present in a 15 mol sample of uranium?
Approx. 9.1024 atoms.
How many atoms are in sample of chromium with a mass of 13 grams?
Take the actual sample weight of 13grams, and divide it by the atomic weight of chromium. This gives you your molar percentage of atoms. Now multiply this molar percentage by Avogadro's constant, the number of atoms in one mole, and this will give you your number of atoms in the sample.
How many gold atoms does Au contain?
This depends on the mass of the gold sample.
How many half lives have elapsed to yield a sample with 125 atoms of C-14?
We have now way of knowing unless we know the initial number of C-14
Why is obtaining a representative sample important?
Many statistical statements for a population which are based on a sample are not valid if the sample is not representative.
How many carbon atoms are there in a 12.5 kg sample of carbon?
The answer is 6,2729.10e+26 carbon atoms.
If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 gmol how many sodium atoms are there in the sample?
To calculate the number of sodium atoms in the sample, first find the number of moles in the sample by dividing the mass (8.2 g) by the molar mass of sodium (22.99 g/mol). Then, use Avogadro's number (6.022 x 10^23 atoms/mol) to convert moles to atoms. Therefore, there are approximately 2.71 x 10^23 sodium atoms in a sample weighing 8.2 grams.
How many atoms does bohrium have?
Your question does not make sense. One sample of bohrium could have a certain amount of atoms, while another sample of bohrium may have a different number of atoms. You probably mean: How many protons does bohrium have? Although it is synthetic and radioactive, a bohrium atom can be retained for a few seconds. It then has 107 protons.
