Calculate the molar concentration of the br⁻ ions in 0.065 m mgbr2(aq).

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).