# How many moles of Fe are present in 30g of rust?

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Since for every mole of Fe2O3 there are 2 moles of Fe present, there are 3/16 * 2 = 3/8 moles of Fe present in 30g of Fe2O3.

## How many moles of iron are in Rust?

1.0 kg Fe2O3 contains 13 mol Fe ions .

## How do you find the moles of Fe in Fe2O3?

In one mole of fe2o3 there are two moles of iron atoms. Now gram atomic wt. of Fe is 56.So in one mole of Fe2O3 there are 2×56=112 gm of Fe.

## How many moles is Fe2O3?

So, there will be around 1.21 moles of iron(III) oxide (Fe2O3) .

## How many moles are there in 24 grams of Fe?

Formula mass of substance can be calculated by summing the average atomic masses of all the atoms represented in the formula, here \$text{Fe}{{text{F}}_{text{3}}}\$ . Therefore \$0.213\$ moles are there in \$24\$ grams of \$text{Fe}{{text{F}}_{text{3}}}\$.

## What is the molar mass of Fe?

In the one-kilogram iron weight there are 1.08·1025 atoms, which corresponds to the chemical amount of approximately 17.9 moles of atoms.

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## How many moles are in 30 grams of Fe2O3?

We get that the number of moles of Fe2O3 is equal to 30/160 = 3/16 moles. Since for every mole of Fe2O3 there are 2 moles of Fe present, there are 3/16 * 2 = 3/8 moles of Fe present in 30g of Fe2O3.

## How many moles are in iron oxide?

The molar mass of iron(III) oxide is approximately 159.7 g/mole and is insoluble in water.

## What is the mole of iron?

Iron has a molar mass of 55.84 grams/mole.

## How many moles of Fe2O3 are in 92.2 grams of Fe2O3?

Statement: Therefore, there are 0.578 moles of iron (III) oxide contained in 92.2g of pure Fe2O3.

## How many moles are there in 28 grams of CO2?

Mol in 28 g CO2 = 28 g / 44 g/mol = 0.64 mol – 2 significant digits. Shailendra K.c. Hence, there are 0.637 mole in 28gm of CO2.

## How many moles are in cacl2?

The molar mass of CaCl2 is 110.98 g/mol. The conversion factor that can be used is then based on the equality that 1 mol = 110.98 g CaCl2. Dimensional analysis will allow you to calculate the mass of CaCl2 that you should measure. When you measure the mass of 333 g of CaCl2, you are measuring 3.00 moles of CaCl2.

## How many grams of O is present in 50g of CaCO3?

Calculate the number of oxygen atoms and its mass in 50 g of CaCO3. Solution — Molecular mass of CaCO3= 40+12+3×16 = 100 No. mole of CaCO3 = 50g/100g = 0.5 0.5 mole of CaCO3 contains 1.5 moles of oxygen atoms No. of oxygen atoms = 1.5 × 6.022×1023 = 9.033×1023 atoms Mass of Oxygen atoms = 1.5 × 16 = 24 g.

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## What is the mass of 5 moles of Fe?

The mass of 5 moles of Fe203 is 798.5 grams.