How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent? How much solvent would you take to prepare a solution in part b$?($the m$($solute$)$from part b$=2\mathrm{.}09$ g of NaNO$3)$

$125$ g of $0\mathrm{.}200$ m NaNO$3$O$3$