% m/v of the solution = 0.2%m/v
<h3>Further explanation</h3>

or
% m/v = g solute / 100 ml solution
Concentration : 2 g sodium borate / L water
For 10 L⇒20 g Sodium borate

Ok so O3 has a greater electronegativity and is taken into account first, -2*3=-6, so As has to equal 6/2=3, so As has a +3 oxidation number here
Answer:
Explanation:
Organic Catalysts or they are also known as enzymes.