A chewable antacid tablet is labeled to contain 0.350 g of magnesium hydroxide ( )
CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A chewable antacid tablet is labeled to contain 0.350 g of magnesium hydroxide (Mg(OH)2). A research team experimentally counts 3.5×1021 hydroxide ions released from one tablet when it dissolves completely. Based on the tablet’s mass, what is the percent error in the experimental hydroxide-ion count?
(a) 48%
(b) 3.7%
(c) 52%
(d) 105%