taylahflynn6755 taylahflynn6755 20-12-2022 Chemistry contestada if 22.5 grams of an aqueous solution of nickel(ii) nitrate, ni(no3)2, contains 4.99 grams of nickel(ii) nitrate, what is the percentage by mass of nickel(ii) nitrate in the solution? 22.2 % ni(no3)2