Water is a very good solvent and it dissolves most substances that are not organic, like minerals etc. It is a very good solvent because it is polar. It has one positively charged end and one negatively charged and thus it can attract many molecules and even break up their bonds with other molecules; this results in dissolution. If there was truly a universal solvent, that would be first of all dangerous to humans since it would just dissolve us. It would be also dangerous to store and precious items could be lost within it since they would be dissolved.
Molarity is mole divided by volume in litres.
0.5mol divide by 0.5L = 1M
24- diamond and corundum because they’re harder 26- aapatite fluorite calcite
The main formula is
% = molar mass of elements / total molecular molar mass) x100
<span>M (Ca(C2H3O2)2) = 2*(12*2 +3*1+16*2) + 40=158
so
</span>%Ca= 40/158<span>x 100=0.25</span><span>x 100= 25%
</span>
%C= 12/158 x 100= 0.07x 100=7%
%H= 1/158x 100=0.006x 100=0.6%
%O=16/158x 100= 0.101x 100= 10.12%