Suppose you were instructed to prepare 100. g of 14.5% CaCl2 solution, you would need Blank 1 g of CaCl2 and Blank 2 g of water.
I assume this is 14.5% by mass (w/w),
That means 14.5 g/100 g solution.
So 14.5g CaCl2 dissolved in (100-14.5)g H2o = what you want.