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1 mole of anything is 6.022 x 1023 atoms or molecules of that substance.
Thus, 2500 atoms of a substance is about 4.151 x 10-21 moles of that substance.
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What is the SI unit for the amount of a substance that contains as many particles as there are atoms in exactly 12 grams of carbon -12?
mole
What is the mass of 42.6 mol of Si?
1196.4423g 42.6 mol X 28.0855 g/ 1 mol = 1196.4423g
How many grams do 3.61020 atoms of silicon weigh?
Each mole of particles have 6.02 x 10^23 particles. (3.6 x 10^20) / (6.02 x 10^23) = 0.000598 mol of Silicon Ar of Si (Silicon) = 28.1g/mol mass = number of moles x Ar mass = 0.000598 mol x 28.1g/mol = 0.0168g of silicon
What is the SI base unit for the amount of substance?
The SI base unit for the amount of substance is the mole (mol).
What are the SI units for molarity?
moles per liter mol/L
How many atoms are there in 6.26 g Si?
.250 mole 7.02 ------ 28.09 = .250
How many grams of silicon would there be in a sample that contained 9.991052 atoms?
1 mol of Si contains 6.02 x 1023 atoms (avogadro constant). Amount of Si = (9.99x1052) / (6.02x1023) = 3.75mol Molecular mass of Si is 28.1. Mass of Si = 3.75 x 28.1 = 105g
What is the SI unit for the amount of a substance that contains as many particles as there are atoms in exactly 12 grams of carbon -12?
mole
How many moles dose 11 grams of silicon contain?
11 g x 1 mol Si/28.0855 g Si= 0.39 mol Si 205g He x 1mol He/4.002602 g He=51.2 mol He
What is the mass of 42.6 mol of Si?
1196.4423g 42.6 mol X 28.0855 g/ 1 mol = 1196.4423g
How many atoms of Si are in H4SiO4?
In a molecule of H4SiO4 only one Si atom is present
How many grams do 3.61020 atoms of silicon weigh?
Each mole of particles have 6.02 x 10^23 particles. (3.6 x 10^20) / (6.02 x 10^23) = 0.000598 mol of Silicon Ar of Si (Silicon) = 28.1g/mol mass = number of moles x Ar mass = 0.000598 mol x 28.1g/mol = 0.0168g of silicon
What is the si unit for amount of substance?
It's a mole [mol]. A mole has 6.0221415×1023 atoms or molecules of the pure substance being measured.
How many atoms of Si are in 237 g of Si?
237g / 28 gmol-1 = 8.46mol. 8.46 x (6.02x1023) = 5.09x1024 silicon atoms.
How many atoms are in 2.50 moles of Si?
2,50 moles of silicon contain 15,055352142.10e23 atoms.
How many atoms in CaAl2Si2O8?
There are 13 atoms:1 Ca atom2 Al atoms2 Si atoms8 0 atoms.
Calculate how many si atoms are contained in a transistor of a microprocessor of dimensions?
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