3) Calculate the concentration of the following solutions in g/dm'.
a) 0.100 mol/dm NaOH
b) 0 250 mol/dm9 CH, COOH
c) 1.50 mol/dmHNO

43

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

the answer to this is 4340

hope this if needed hmu