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How many moles of Pb are equivalent to 9.51 times 103 g Pb?
To find the number of moles, you need to divide the given mass (9.51 x 10^3 g) by the molar mass of Pb. The molar mass of lead (Pb) is approximately 207.2 g/mol. So, 9.51 x 10^3 g Pb is equivalent to about 45.9 moles of Pb.
How many atoms are in the formula 3 Fe2O3?
15 Fe2O3 has 2 + 3 atoms = 5 atoms Multiply the whole thing by 3 and you end up with 15 atoms.
How many atoms are there in NH4HCO3?
There are a total of 15 atoms in NH4HCO3: 2 nitrogen atoms, 6 hydrogen atoms, 1 carbon atom, and 6 oxygen atoms.
How many moles of Na are in 15 g of NaCl?
To find the number of moles of Na in 15 g of NaCl, you first need to calculate the molar mass of NaCl, which is 58.44 g/mol. Since Na makes up 39.34% of the molar mass of NaCl, you can calculate the moles of Na as (15 g / 58.44 g/mol) * 0.3934 = 0.255 moles of Na.
How many moles of nitrogen and hydrogen are needed to get 10 moles of ammonia?
The reaction of nitrogen with hydrogen to form ammonia is: N2 +3H2 = 2NH3 Therefore to make 10 moles of ammonia you need 5 moles N2 and 15 moles H2
How many moles are equal to 9.03 x 1024 atoms of mercury hg?
To find the number of moles, divide the number of atoms by Avogadro's number (6.022 x 10^23 atoms/mole). 9.03 x 10^24 atoms / 6.022 x 10^23 atoms/mole ≈ 15 moles. Therefore, 9.03 x 10^24 atoms of mercury is equal to approximately 15 moles.
How many hydrogen atoms are in 8e-15 moles of C12 H30 O5 please include method of solving the problem?
First multiply 8e-15 by 6.022e23 to get the number of atoms and multiply that by 30 ( the number of hydrogen atoms)
How many cobalt moles are in 2 billion cobalt atoms?
To calculate the number of moles from atoms, you use Avogadro's number, which is 6.022 x 10^23 atoms per mole. Given that 2 billion is 2 x 10^9, you would divide 2 x 10^9 atoms by Avogadro's number to get the number of moles. Therefore, 2 x 10^9 cobalt atoms is equal to approximately 3.32 x 10^-15 moles of cobalt.
How many moles of hydrogen are need to convert 5 moles of chromium oxide?
The balanced chemical equation for this reaction is: Cr2O3 + 3H2 -> 2Cr + 3H2O. So, according to the equation, 3 moles of hydrogen are needed to convert 1 mole of chromium oxide. Therefore, to convert 5 moles of chromium oxide, 15 moles of hydrogen would be needed.
How many moles of trifluoromethanoic acid (CHF3O3S) are present in 9.0345 1024 molecules of (CHF3O3S)?
To find the number of moles in 9.0345 x 10^24 molecules of trifluoromethanoic acid (CHF3O3S), you can divide the number of molecules by Avogadro's number (6.022 x 10^23 molecules/mol). Number of moles = 9.0345 x 10^24 molecules / 6.022 x 10^23 molecules/mol = 15 moles.
How many atoms are in 3 moles of potassium nitrate?
To calculate the number of atoms in 3 moles of potassium nitrate (KNO3), you use Avogadro's number, which is 6.022 x 10^23 atoms/mol. First, calculate the molar mass of KNO3 (101.1 g/mol) then multiply that by 3 to get the total mass in grams. Next, divide the total mass by the molar mass to get the number of moles, and finally multiply the number of moles by Avogadro's number to get the number of atoms. For 3 moles of KNO3, there are approximately 5.4 x 10^24 atoms.
How many grams in 15 moles of 02?
15 moles of 02 equal 480 g.
Calculate the total number of atoms in 15 g CaH2?
To calculate the total number of atoms in 15 g of CaH2, we first need to find the number of moles of CaH2 using its molar mass. The molar mass of CaH2 is 42.08 g/mol. Therefore, 15 g of CaH2 is equal to 15/42.08 = 0.356 moles of CaH2. Since each mole of CaH2 contains 3 atoms (1 calcium atom and 2 hydrogen atoms), there are 0.356 * 3 = 1.068 moles of atoms in 15 g of CaH2. This is equivalent to 1.068 * 6.022 x 10^23 = 6.44 x 10^23 atoms.
How many moles of Ni are in kg of nickel sulfate?
(NH4)2SO4 so 2 N, 8 H, 1 S, 4 O = 15 total In one mole(unit) of any substance there are 6.022 x 1023 particles. This number is known as Avogadro's number. So for ammonium sulfate there would be 15 times this number = 9.033 x 1024. However, 1 molecular unit of ammonium sulfate contains 15 atoms.
How many moles of magnesium are present in 1 billion atoms of magnesium?
One billion equals 109. A mole of magnesium contains Avogadro's number of magnesium atoms. Therefore a billion atoms constitutes 109/(6.022 X 1023) or about 1.66 X 10-15 mole.
How many moles of nitrogen are in 15 grams of nitrogen?
15 grams of nitrogen are equal to 1,071 moles.
How many megabytes is 15 gigabytes?
1536 megabytes - There are 1024 megabytes in a gigabyte so 1.5 x 1024 = 1536.
