Question

Berapa gram naoh yg dibutuhkan untuk membuat larutan naoh 1M sebanyak 100mL?

Answer 1

N NaOH = M x v
            = 1 M x 0,1 L
            = 0,1 mol

massa NaOH = n x mr
                     = 0,1 mol x 40 gram/mol
                     = 4 gram

Answer 2

N = M x V
= 1 x 0,1
= 0,1 mol
massa NaOH = n x Mr = 0,1 x 40 = 4 gram