Find the number of atoms

  1. ok so i need to find how many atoms make up the earth. the average atomic mass of the atoms is 14g/mol. avogadro's number gives
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    2. RAYMOND asked by RAYMOND
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  2. I'm having a little trouble doing a worksheet.1.25 moles of KBr contains how many Br atoms? How do I find the number of atoms
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    2. Jan asked by Jan
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  3. Find the number of K atoms, C atoms, and O atoms in 95.5g of K2Cr2O7. (Potassium 2, Chromium 2, Oxygen 7).
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    2. Jack asked by Jack
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  4. Which statement describes the quantities that can be found using the number of moles?(1 point)Responses It can be used to find
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  5. Which statement describes the quantities that can be found using the number of moles?(1 point)Responses It can be used to find
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  6. what is the symbol for chromium (II) sulfate?You mean the formula? CrSO<sub>4</sub> yes! thanx!!!!!! do u know how to find the
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    2. INEEDHELP!!! asked by INEEDHELP!!!
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  7. Which statement describes the quantities that can be found using the number of moles?A. it can be used to find the number of
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  8. How do you find out the number of atoms in a chemical formula?Count up the number of atoms in the formula. If there is a
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    2. stephii asked by stephii
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  9. How are all atoms of iron different from the atoms of all other elements?A.number of neutrons B.charge on the atoms C.mass
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    2. victoria asked by victoria
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  10. How do the total number of atoms before a chemical reaction compare to the number of atoms after the chemical reaction?Responses
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    2. hola asked by hola
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