A student mixes 5.00 g of NaCl (molar mass 58.44 g mol⁻¹) with 10.0 g of KCl (molar…
CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A student mixes 5.00 g of NaCl (molar mass 58.44 g mol⁻¹) with 10.0 g of KCl (molar mass 74.55 g mol⁻¹). Assuming no reaction occurs, what is the total amount of substance present after mixing?
(a) 0.257mol
(b) 0.226mol
(c) 0.220mol
(d) 0.201mol