Suppose you are titrating an acid of unknown concentration with a standardized base. At the beginning of the titration, you read the base titrant volume as 2.77 mL. After running the titration and reaching the endpoint, you read the base titrant volume as 18.37 mL. What volume, in mL, of base was required for the titration

Well to my expert knowledge and my exquisite calculations i think the the negative ion # 412 is the key to sucess

Ionic compounds dissociate into component ions dissolved into a solution creating substances called "electrolytes".hope my answer has you : )

Answer:             1.0  × 10⁻⁵ msolution:                     as we know ph is given as,                                    ph  = -log [h⁺]and,                                    [h⁺]  =  10^-ph    (1)putting value of ph in eq. 1,                                    [h⁺]  =  10⁻⁵                                    [h⁺]  =  1.0  × 10⁻⁵ m

Ican't see the chart but the density of both nickel and cobalt is 8.90 g/cm3, so it would be one of those.