Question

Bantu jawab kimia dong...​

Answer 1

anggap aja massa nya m, berarti

(m/Mr ) x (1000/volume) = konsentrasi

(m/58,5) x (1000/250) = 2

(m/58,5) x 4 = 2

4m = 2(58,5)

4m = 117

m = 117/4

m = 29,25

m = 29,3

massanya berarti 29,3 gram.