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Sapna Gupta 2 years, 7 months ago

In bases the ions released.in water are not H positive ions but OH negative ions also called hydroxyl ions
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Dhanya K 2 years, 7 months ago

Mahanadi
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Jashanpreet Kaur 2 years, 7 months ago

I need bbc solutions class 9

Navneet Kaur 2 years, 7 months ago

tell me
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Paramjeet Garg 2 years, 7 months ago

Saheb was a poverty-stricken,homeless refugee who rummages garbage dumps with the hope of finding something value so that he along with his family can survive this harsh fate life has subjected them to.
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Anvi Poria 2 years, 7 months ago

Konsi
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Ragini Ragini 2 years, 7 months ago

Molecular formula=n×Empirical formula N=mol. Wt /mass of EF VD Molecular weight=2×VD =2×15 Molecular weight=30 Total %= [100 -(40+6.66 )]=%of oxygen 100= 100 - 46.66 = 53.34% Atomic mass percent. C. 12. 40 H. 1. 6.66 O. 10. 53.34 At. Ratio. Simple ratio 40\12 =3.33. 3.33\3.33 6.66\1=6.66. 6.66\3.33 53.34\16=3.33 3.33\3.33 C:H:O =1:2:1 Empirical formula=CH2O Mass = 12+(1+2)+16 = 30 N= mol. Wt\mass of EF = 30\30=1 Then, Molecular formula=1×CH²O CH²O
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