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Answered 2014-10-06 22:56:00
There are 1.895X10^23 atoms in 12.3 grams of potassium. Potassium is a chemical element with the symbol K and the atomic number 19. The atomic mass of potassium is 39.0983 unified atomic mass units.
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How many atoms are in 38.1 g of potassium?
5,868.1023 atoms
How many potassium atoms are there in a sample of K2Cr2O7 having a mass of 24.43 g?
The number of potassium atoms is 2,04.10e21.
How many atoms are there in 12.5 g of potassium?
The number of K atoms is 1,9253.10e23.
How many potassium atoms are present in .01456 grams of potassium?
.01456 g (6.02 x 1023 atoms) / (39.1 g) = 2.24 x 1020 atoms
How many grams are there in 1 moles of potassium atoms?
The molar mass of potassium is 39,0983(1) g.
How many atoms are present in 39.1 g potassium?
6.023×10^23
How many ounces is 123 grams?
123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz
How many pounds equal twenty kilograms?
123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz123 g = 4.33869 oz
How many grams of potassium are there in 7.20 mol of potassium atoms?
7.20 moles K x 39.1 g/mole = 281.52 g K = 282 g K (to 3 significant figures)
How many moles of potassium are contained in 300 g of potassium?
300 g of potassium is equal to 7,67 moles.
How many elements and atoms are in the compound KCl?
two elements and two atoms (potassium and chlorine)In one molecule of KCl, there are two elements (potassium and chlorine).The molecular weight of KCl is 74.55 g / mol.So, 74.55 g of KCl will contain 6.023 x 1023 molecules or 12.046 x 1023 atoms.
How many atoms are there in 39 g of potassium?
The atomic mass of potassium is 39 ,therefore the number of mole is 39 /39,which is 1then multiple by Avogadro number you get 6.022*10^24
How many moles of potassium are in 156.4 g of potassium?
Atomic mass of potassium = 39.10 g/mole156.4 g x 1 mole/39.10 g = 4.000 moles (to 4 significant figures)
How many moles are there in 48g of potassium?
In 48 g of potassium are 1,228 moles.
How many atoms are in 26.1 g of Fe?
26,1 g of Fe have 2,8048327279.10e23 atoms.
How many atoms are in 49.1740 g of zirconium?
49.1740 g (6.02 x 1023 atoms) / (91.22 g) = 3.25 x 1023 atoms
How many moles are in 12g of potassium?
12 g of potassium is equivalent to 0,307 moles.
How many atoms are in 149 g of calcium?
149 g of calcium contain 22,39.10e23 atoms.
How many atoms are in 169 g of calcium?
169 g of calcium contain 25,394.10e23 atoms.
How many silver atoms are there in 3.34 g of silver?
3,34 g of silver have 0,186.10e23 atoms.
What is 123 grams in kilograms?
1000 g = 1 kg → 123 g = 123 ÷ 1000 kg = 0.123 kg
How many moles of potassium are contained in 449g of potassium?
449 (g K) / 39.1 (g/mol K) = 11.5 mol K
How many grams are in 34.7 moles of potassium?
34,7 moles of potassium 1 356,7 g.
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