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sara1234

  • 2 years ago

Helppp mee

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  1. Nanoman
    • 2 years ago
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    You use the atomic mass. Multiply each element by its atomic mass on the periodic table. Then add the totals up.

  2. sara1234
    • 2 years ago
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    can you please how me all the work i need it for an example so i can see how its done so i can do the rest by my self please?

  3. sara1234
    • 2 years ago
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    show^^^***

  4. Nanoman
    • 2 years ago
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    Okay, hang on a sec.

  5. sara1234
    • 2 years ago
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    @jim_thompson5910 @Nanoman @Agent_Sniffles @dpaInc @dmezzullo

  6. Nanoman
    • 2 years ago
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    Here are the masses of all the elements in the second chemical compound. potassium | 39.0983 u (unified atomic mass units) phosphorus | 30.973762 u (unified atomic mass units) oxygen | 15.9994 u (unified atomic mass units)

  7. Nanoman
    • 2 years ago
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    From the compound we get, K*3 + P + O*4 = K3PO4 = 39.0983*3 + 30.973762 + 15.9994*4 =212.266262 u. U can be substituted for grams per mole or g/mol.

  8. Nanoman
    • 2 years ago
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    Does that help?

  9. sara1234
    • 2 years ago
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    thats all you do so the answer would be 212.266262

  10. Nanoman
    • 2 years ago
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    Yep.

  11. sara1234
    • 2 years ago
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    that seems too easy lol are you sure

  12. Nanoman
    • 2 years ago
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    Yeah, I'm sure.

  13. sara1234
    • 2 years ago
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    thank you

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