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m = 5 gr
V = 250 mL = 250/1000 = 0,250 L
Ditanyakan : Konsentrasi (M) ?
Dijawab :
M = m/V
= 5/0,250
= 20 g/L
m = 5 gram
v = 250 ml = 250.10⁻³ L
ditanya : konsentrasi ?
jwb : konsentrasi = m/v
= 5/250.10⁻³
= 20 g/L