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Sagot :
There are 3.88 * 10²⁴ atoms of potassium in 2.15 moles of potassium phosphate.
Definition of molar mass and mole
- The molar mass of a substance is the mass of one mole of the substance
- A mole of substance is the amount of that substance that contains the Avogadro number of particles which is equal to 6.02 * 10²³ particles.
Formula of potassium phosphate
The formula of potassium phosphate is K₃PO₄ and the formula of potassium is K.
1 mole of potassium phosphate contains 3 moles of Potassium atoms
2.15 moles of potassium phosphate contains 2.15 * 3 moles of Potassium atoms
2.15 moles of potassium phosphate contains 6.45 moles of Potassium atoms
Number of atoms in 6.45 moles of potassium atom = 6.45 * 6.02 * 10²³
Number of atoms in 6.45 moles of potassium atom = 3.88 * 10²⁴ atoms
Therefore, there are 3.88 * 10²⁴ atoms of potassium in 2.15 moles of potassium phosphate.
Learn more about atoms and moles at: https://brainly.com/question/15356425
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