Chromium (Cr) is round in d block
The relationship between pressure and solubility of the gas is given by Henry's law as:

where,
is the solubility of the gas.
is proportionality constant i.e. Henry's constant.
is pressure of the gas.
(given)
(given)
Substituting the values,

To convert
to
:
Molar mass of benzene,
= 

Now for converting into
:
Since, 
So,
.
Hence, the solubility of benzene in water at
in
is
.
Sunscreen can have negative effects on corals and other marine organisms under certain circumstances.
Answer:
B
Explanation:
Atomic # = Protons
it says 4 p in the inside of the orbital