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zloy xaker [14]
2 years ago
7

PLEASE HELP ME URGENT!!! How do i find mass when not given in chemistry

Chemistry
1 answer:
Arisa [49]2 years ago
3 0

Answer:

It depends what other values you have. Can you give more info? If they give density then you can solve for m.

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Which answer below correctly identifies the type of change and the explanation for the boiling of water?
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A judge in a juvenile court can dispose a juvenile runaway to a residential facility.
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How many atoms of gold are in gold nugget with a mass of 4.25 g
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Number of Atoms in Gold for given mass can be calculated using following formula,

              # of Moles  =  Number of Atoms / 6.022 × 10²³
Or,
             Number of Atoms  =  Moles × 6.022 × 10²³     ------- (1)    

Calculating Moles,
As,
                              Moles  =  Mass / M.mass
So,
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Putting value of mole in eq.1,

             Number of Atoms  =  0.0215 × 6.022 × 10²³

             Number of Atoms  =  1.299 × 10²²

Result:
            4.25 g 
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3 0
3 years ago
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Hope this helped! :)

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