18-06-2016
Chemistry

contestada

If 17.8 grams of KOH dissolve in enough water to make a 198-gram solution, what is the concentration in percent by mass?

Respuesta :

Willchemistry Willchemistry

22-06-2016

Solute of solution = 17.8 g

Solvn = 198 g

% = 17.8 / 198

w% = 0.089 x 100 = 8.9% by mass

hope this helps!

Answer Link

Otras preguntas

Cala stacked some blocks to make the figure below . How many blocks ore in Cala's figure

How were language and music important in the life of slaves?

How would using a number line to find the sum 2+5 be different from using a number line to find the sum -2+(-5)?

A 15% tip represents the ratio 15 cents to 100 cents. Why does this make 15% a unit-less factor?

what is a water table?

how do you write 28.048 in expanded form

which of the following statements about sexual attaration and intimacy in the work place is true?1.romance between a worker and a supervisor must allways be out

what are multiples i need help

-2(n+7)=15 how do you solve this problem

How do you solve 7x-5=30?