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.41 grams FE is how many moles Fe?
For this you need the atomic mass of Fe. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel..410 grams Fe / (55.9 grams) = .00733 moles Fe
What does the mass number on the periodic table mean?
The mass number is the combined number of protons and neutrons in the nucleus of the particular element you are looking at. NOTE: (don't be confused by the periodic table) Different elements have isotopes with varying mass numbers, so the mass number displayed on a periodic table is the ratio of those isotopic mass numbers in any given sample of the element your examining. This ratio is often confused with with the mass number of the element when it is displayed on periodic tables, it is actually the relative atomic mass. You can tell if a number is the mass number or a relative atomic mass by whether or not it is a whole number if it is then it's a mass number if it has decimal places out beside it then you're looking at relative atomic mass.
How many moles of nitrogen atoms are present in 53.55 g of FeNO32?
Molar mass of Fe(NO3)2 is 55.85 + 2(14.00 + 3(16.00)) = 179.85 g/mol Therefore, number of moles of Fe(NO3)2 present is 53.55/179.85 = 0.2977 mol For each molecule of Fe(NO3)2, there are two atoms of nitrogen associated with it. Therefore, there are 0.2977*2 = 0.5954 mol of nitrogen atoms
The mass number minus the atomic number is?
The number of neutrons in the nucleus is not the answer its wrong trust me Mass number = neutrons + protons. Atomic number = protons. Trust yourself to work out the difference.
The sum of the protons and the neutrons will tell the atomic what?
Atomic mass number of the atom. The best way to remember it is: the majority of the mass of an atom is made up of the protons and neutrons (the electrons are very light!), therefore the atomic mass number is the sum of the protons and neutrons.
.41 grams FE is how many moles Fe?
For this you need the atomic mass of Fe. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel..410 grams Fe / (55.9 grams) = .00733 moles Fe
How many moles are in 23 g of Fe?
To find the number of moles in 23 g of Fe, first find the molar mass of Fe by looking up the atomic weight on the periodic table. Fe has a molar mass of approximately 55.85 g/mol. Divide the given mass by the molar mass to find the number of moles: 23 g Fe / 55.85 g/mol = approximately 0.41 moles of Fe.
What is the number of moles of 200g of Fe?
For this you need the atomic (molecular) mass of FeCl3. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel. FeCl3=162.4 grams .200 moles FeCl3
What is the atomic number and the atomic mass of Fe?
The atomic number of iron (Fe) is 26, which indicates the number of protons in its nucleus. The atomic mass of iron is approximately 55.85 atomic mass units, which is the weighted average of all the isotopes of iron found in nature. This value takes into account the abundance of each isotope and their respective masses.
How many moles grams are in 24.6 moles of Fe?
To convert moles to grams, you need to multiply by the molar mass of the element. The molar mass of Fe (iron) is approximately 55.85 g/mol. For 24.6 moles of Fe, the mass in grams would be 24.6 moles x 55.85 g/mol = 1373.31 grams (approximately).
What is the mass number of an iron atom that has neutrons?
Mass number (of an isotope) is number of neutrons PLUS number of protons (this equals the atom number, which is 26 for element Fe) , so 28 + 26 = 54 is the mass number
What is the mass in grams in 1.00 molar mass FE?
What is the chemical 'FE'. Do you mean 'Fe'. If so to answer your question . The molar mass of iron (Fe) is 55.845
How many moles Fe are in a sample of Fe2O3 that contains 100g O?
To find the number of moles of Fe in Fe2O3, first calculate the molar mass of Fe2O3 and O. Then, determine the number of moles of O in the sample. Finally, you can use the stoichiometry of Fe2O3 to find the moles of Fe present. Alternatively, if you know the molar mass of just Fe, you can calculate the moles of Fe by dividing the mass of Fe in the sample by its molar mass.
How many atoms are in 10g of Fe?
To determine the number of atoms in 10g of Fe, you first need to calculate the number of moles of Fe using its molar mass (55.85 g/mol). Then, you can use Avogadro's number (6.022 x 10^23 atoms/mol) to find the number of atoms in those moles of Fe. Finally, multiply the number of moles by Avogadro's number to get the total number of atoms in 10g of Fe.
What element has a mass number of 56?
Iron (Fe) has At No 26 and At Wt 55.85. Is that close enough to 56 for your question.
Determine the number of atoms in 3.75 mol Fe?
Since a mole of a metal is generally considered to be Avogadro's Number of atoms of the metal, the answer is 3.5 times Avogadro's Number or 2.1 X 1024 atoms, to the justified number of significant digits.
What is the percent composition of FeO?
FeO is 50 mole % Fe and 50 mole % O FeO is 77.73 mass % Fe and 22.27 mass % O mass fraction X = molar mass X / (total molar mass of compound) mass % Fe = [atomic mass Fe] / ([atomic mass Fe] + [atomic mass O])
