Sertifikat Biologiya | Kholbotayev Sherdor dan repost
Sulfat kislotaning 500ml 60%li eritmasiga(p=1.6g/ml) nitrat kislotaning 150ml 40%li eritmasidan(p=1.33g/ml) quyilsa,hosil bo'lgan eritmada nitrat kislotaning massa ulushi(%)qanday bo'ladi
So‘rovnoma
- A)18.8
- B)20.11
- C)53.3
- D)56