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10 grams lead (1 mole Pb/207.2 grams)(6.022 X 1023/1 mole Pb)
= 2.9 X 1022 atoms of lead
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∙ 12y ago
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How many atoms are in 195 grams of calcium?
2.936*10^24 atoms....
7.5 times 10 to the 21 uranium atoms equals how many grams?
7,5.1021 uranium atoms = 2,9644 grams
How many atoms are in 1.7 g C?
1.7 grams * (1mole/ 12.011 grams) * (6.023x 10^23 atoms/ 1 mole) =8.525 * 10^ 22 atoms carbon round to 2 sig. figs
How many atoms are in 129g of calcium?
129 grams calcium (1 mole Ca/40.08 grams calcium)(6.022 X 10^23calcium atoms/1 mole Ca) = 1.94 X 10^24 atoms of calcium
How many atoms are there in 128.4 grams of sulfur?
128.4/32=4.0125mol Atoms=4.0125 x 6.022 x 10^23=2.4163 x 10^24 atoms
What is the mass of 6.25x1020 atoms of lead?
6.25 X 10^20 atoms of lead (1 mole Pb/6.022 X 10^23)(207.2 grams/1 mole Pb) = 0.215 grams of lead
How many atoms are in 195 grams of calcium?
2.936*10^24 atoms....
How many molecules is in 291.25g of Pb's?
291.25 grams of lead (1 mole Pb/207.2 grams)(6.022 X 10^23/1 mole Pb) = 8.4648 X 10^23 atoms of lead I think you meant to say atoms, not molecules, as that is not a molecular formula and looks a lot like the symbol for lead with a possessive mark and s.
What is the mass of lead?
Lead (Pb) has the atomic number 82 with an Atomic Mass of 207.2 amu.
7.5 times 10 to the 21 uranium atoms equals how many grams?
7,5.1021 uranium atoms = 2,9644 grams
How many atoms are in 22 grams of argon?
Approx 3.32*10^23 atoms.
How many argon atoms are contained in 10 grams of argon gas?
Approx 1.5*10^23 atoms.
How many grams of lead is needed to equal the number of atoms contained in 10 grams of tin?
Let us do this in two parts for clarity. Find atoms in tin first. 10 grams tin (1 mole Sn/118.7 grams)(6.022 X 1023/1 mole Sn) = 5.07 X 1022 atoms of tin ----------------------------------- 5.07 X 1022 atoms (1 mole Pb/6.022 X 1023)(207.2 grams/1 mole Pb) = 17 grams of lead ------------------------------ I can see two other ways to do the conversion string, one longer and one much shorter. See if you can find them.
How many atoms are there in 6.747 mol of lead?
6.747 moles of lead (6.022 X 10^23/1 mole Pb) = 4.063 X 10^24 atoms of lead
How many moles in 3.25 x 1020 atoms lead?
3.25 X 10^20 atoms lead (1 mole lead/6.022 X 10^23) = 5.40 X 10^-4 moles lead
How many atoms are contained in 131.1 grams of xenon gas?
Approx 6.01*10^23 atoms.
How many atoms are in 1.7 g C?
1.7 grams * (1mole/ 12.011 grams) * (6.023x 10^23 atoms/ 1 mole) =8.525 * 10^ 22 atoms carbon round to 2 sig. figs
