Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.
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To calculate the number of grams of xenon in Xenon Tetrafluoride (XeF4), we need to determine the molar mass of XeF4 and then use it to find the amount of xenon in a given amount of XeF4.
Here are the steps to calculate it:
Step 1: Find the molar mass of XeF4.
The molar mass is the sum of the atomic masses of all the atoms in the compound.
Xenon (Xe) has an atomic mass of 131.29 g/mol.
Fluorine (F) has an atomic mass of 18.99 g/mol.
Since there are four fluorine atoms in XeF4, we multiply the atomic mass of fluorine by 4.
Molar mass of XeF4 = (1 * Atomic mass of Xenon) + (4 * Atomic mass of Fluorine)
Molar mass of XeF4 = (1 * 131.29 g/mol) + (4 * 18.99 g/mol)
Molar mass of XeF4 = 131.29 g/mol + 75.96 g/mol
Molar mass of XeF4 = 207.25 g/mol
Step 2: Calculate the number of moles of XeF4 in 3.566 g.
To find the number of moles, divide the given mass by the molar mass.
Number of moles = Mass of XeF4 / Molar mass of XeF4
Number of moles = 3.566 g / 207.25 g/mol
Number of moles = 0.0172 mol
Step 3: Calculate the mass of xenon in XeF4.
Since the molar ratio of xenon to XeF4 is 1:1, the mass of xenon will be the same as the molar mass of XeF4.
Mass of xenon = Number of moles * Molar mass of XeF4
Mass of xenon = 0.0172 mol * 131.29 g/mol
Mass of xenon = 2.26 g
Therefore, there are approximately 2.26 grams of xenon in 3.566 grams of xenon tetrafluoride.