Calculate the molarity of 1.60 L is solution containing 1.55 g of dissolved KBr?

1 Answer
Apr 23, 2018

"0.00815 M"

Explanation:

Assuming you mean molarity of "KBr", we calculate moles of "KBr" first.

"n"_("KBr") = "1.55 g" / ("39.0 g/mol + 79.9 g/mol") = 0.01304\ "mol"

"c"_("KBr") = "0.1304 mol"/"1.60 dm"^3 = "0.00815 mol/dm"^3