Answered

KÜTLECE %20 LİK NaOH ÇÖZELTİSİ HAZIRLAYABİLMEK İÇİN 120 GR SUDA KAÇ MOL NaOH KATISI ÇÖZÜNMELİDİR? (NaOH:40g/mol)

Sagot :

Cevap:

0,75 mol

Açıklama:

20/100=k/k+120    >> k=30    1 mol NaOH =40 gr ise

                                                n mol NaOH=30gr    1*30=40*n  >>n=0,75

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