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An unknown atom has 26 neutrons and an approximate atomic mass of 48 amu. What is the name of this element?
This element has 26 neutrons, so its atomic number would be 26. Given an approximate atomic mass of 48 amu, this corresponds to the element iron (Fe).
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
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])
What is the atomic mass of Fe?
The atomic mass of iron (Fe) is approximately 55.85 grams per mole.
.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 element is 55.85 amu?
The element with an atomic mass of 55.85 amu is Iron (Fe).
How does the approximate atomic mass relate to the mass number?
These values are similar.
Given the following equation 8 Fe plus FeS what mass of iron is needed to react with 16.0g of sulfur?
To determine the mass of iron needed to react with 16.0g of sulfur, first balance the chemical equation: 8 Fe + FeS2 -> 9 FeS. As each Fe reacts with 1/2 S, the molar ratio is 8:1/2. Calculate the molar mass of Fe and FeS to convert between moles and grams. Then use the molar ratio to find the mass of Fe needed: (16.0g S)*(8 mol Fe / 1 mol S) * (55.85 g Fe / 1 mol Fe) = 711.2 g Fe.
How do you calculate the Fe content in FeO and Fe2O3?
To calculate the Fe content in FeO, you need to consider that Fe accounts for about 71.85% of the FeO compound's molecular weight. For Fe2O3, each Fe atom accounts for about 69.94% of the compound's molecular weight. After determining the molecular weight of FeO and Fe2O3, you can find the Fe content by multiplying the molecular weight of Fe by the appropriate percentage.
What element has an atomic mass of 55.8?
Iron (Fe) has an atomic mass of 55.8.
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.
