How many atoms are in 0.0303 mol K?

1 answer:

Inga [223]3 years ago

8 0

1.661x10 negative 24 squared

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REY [17]

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3 years ago

Sav [38]

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3 years ago

Ugo [173]

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4 0

3 years ago

Nikitich [7]

We know 1 mole of any atom or molecules contains $6.033 \times 10^{23}$ atom or molecules.

1 mole of HBr i.e 81 gm/mol contains $6.033 \times 10^{23}$ atom or molecules.

So, mass of $9.03\times 10^{21}$ molecules is :

$m=\dfrac{81\times 9.03\times 10^{21} }{6.033 \times 10^{23}}\\\\m= 1.21\ gm$

Therefore, mass of $9.03\times 10^{21}$ molecules is 1.21 gm .

Hence, this is the required solution.

7 0

3 years ago

dolphi86 [110]

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5 0

3 years ago