Hg + O2 --> HgO + O
Note that Mercury has a variable valency.
Answer:
~1.417M
Explanation:
Molarity=(number of moles of solute)/(litres of solution)
In this case, we need to find moles of potassium bromide.
Mass=25.3g
Molar mass= 119g/mol
moles=(mass/molar mass)
=(25.3)/(119)
=0.2126moles of potassium bromide
Molarity=(0.2126)/(150/1000)
~1.417M
Hope this helps:)
Agitation, or stirring of the solute in the solvent increases the solubility of the solution
Both figures are mixtures,
Figure II is a heterogenous mixture
Figure I is a homogenous mixture