How many grams of solute are present in 795 ml of 0.130m KBr?

Ray, James et al.

We could help you better if you didn't change screen names.
You made another typo or you may not know better. There is a difference between m and M

How many moles do you have.
That's mols = M x L = ?
Then mols = grams/molar mass. You have molar mass and mols, solve for grams.