A) 2
160. (V20/21-131-11) V203 va
V205 aralashmasida ш(О) = 40%. 120 g shunday oksidlar aralashmasini toliq qaytarish uchun kerak bolgan Al (mol) miqdorini korsating.
A) 2 B) 4 C)6
D) 8
A) 2
160. (V20/21-131-11) V203 va
V205 aralashmasida ш(О) = 40%. 120 g shunday oksidlar aralashmasini toliq qaytarish uchun kerak bolgan Al (mol) miqdorini korsating.
A) 2 B) 4 C)6
D) 8
Îòâåò: |
Ñáîðíèê: Kimyo
Ïàðàãðàô: 49. Aralashmadagi moddalarning tarkibini aniqlash. Aralashmalar
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