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Avogadro's Number

78. If 1 mL o...

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78. If 1 mL of water contains 20 drops then number ofmolecules in one drop of water is(a) 6.023 x 1023 molecules(b) 1.376 x 1026 molecules(c1.344 x 10 molecules(d) 4.346 x 1020 molecules

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1 mL

of water contains 20 drops. Then no. of molecules in a drop of water is
(Given

N_{A} = 6.022 \times 10^{23}

)

1 mL

of water contains

20

drops. Then no. of molecules in a drop of water is
(Given

N_{A} = 6.022 \times 10^{23}

)

Q. If 1 mL of water contains 20 drops, what is the number of water molecules in the one drop of water?
(

N_{A} =

Avogadro number)

Q. The number of water molecules present in a drop of water (Volume

0.0018 m l

) at room temperature is

The density of water is $1 g m / m l$ . The number of molecules present in $1 l i t r e$ of water $i s$

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