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Chemistry
A liquid has 35 drops in 2 mL .The density of the liquid is 1.2 g/ml . How many molecules are there in 1 drop. (molecular weight of liquid =70 )
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Q. A liquid has $35$ drops in $2\,mL$ .The density of the liquid is $1.2\,g/ml$ . How many molecules are there in $1$ drop. (molecular weight of liquid $=70$ )
NTA Abhyas
NTA Abhyas 2022
A
$\frac{12}{35}N_{A}$
B
$\left(\frac{1}{35}\right)N_{A}$
C
$\frac{1.2}{(35)^{2}} N _{ A }$
D
$1.2N_{A}$
Solution:
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