DIY History | Transcribe | Scholarship at Iowa | Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892 | Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 24

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Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 24

Molecular weight of (NH[subscript]3[/subscript]OH)[subscript]2[/subscript]SO[subscript]4[/subscript] = 105.78
Molecular weight of Cu[subscript]2[/subscript]O -- 284.24
Weight of Cu[subscript]2[/subscript]O[subscript]3[/subscript] -- 0.0719 grams.
(0.0831 gr.)X  -  :  0.0719 gr.  ::  105.76  :  284.24 .
Weight of (NH[subscript]3[/subscript]OH)[subscript]2[/subscript]SO[subscript]4[/subscript] = 0.0831 gr.
Weight of hydroxylamine = 59.94/105.76 of 0.0831 gr. or -- 0.0475 gr. -- 0.04795/0.7609 = 6.02 -- 
[underlined]6.02 %  of hydroxylamine -[/underlined]

II.
Weight of substance and tube -- 10.8368 gr.
Weight of tube -- 9.7072 gr.
Weight of substance -- 1.1296 gr.
Weight of crucible -- 11.6940 gr.
Weight of crucible and residue 1" ignition -- 12.0315 gr.
Weight of crucible and residue 2" ignition -- 12.0290 gr.

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Molecular weight of (NH[subscript]3[/subscript]OH)[subscript]2[/subscript]SO[subscript]4[/subscript] = 105.78 Molecular weight of Cu[subscript]2[/subscript]O -- 284.24 Weight of Cu[subscript]2[/subscript]O[subscript]3[/subscript] -- 0.0719 grams. (0.0831 gr.)X - : 0.0719 gr. :: 105.76 : 284.24 . Weight of (NH[subscript]3[/subscript]OH)[subscript]2[/subscript]SO[subscript]4[/subscript] = 0.0831 gr. Weight of hydroxylamine = 59.94/105.76 of 0.0831 gr. or -- 0.0475 gr. -- 0.04795/0.7609 = 6.02 -- [underlined]6.02 % of hydroxylamine -[/underlined] II. Weight of substance and tube -- 10.8368 gr. Weight of tube -- 9.7072 gr. Weight of substance -- 1.1296 gr. Weight of crucible -- 11.6940 gr. Weight of crucible and residue 1" ignition -- 12.0315 gr. Weight of crucible and residue 2" ignition -- 12.0290 gr.