How do you calculate the number of grams of solute in 0.250 L of 0.175 M \rm KBr?

Answer 1

Just remember the definition of molarity.
M = moles/L; therefore,
moles = M x L. Easy, huh?

Answer 2

2.51

Answer 3

Calculate the number of grams of solute in 0.250 L of 0.175 M solution of potassium bromide.