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Question
The ratio of number of water molecules in Mohr's salt and potash alum is ______ × 10-1.
Options
8
2
0
5
MCQ
Fill in the Blanks
Solution
The ratio of number of water molecules in Mohr's salt and potash alum is 5 × 10-1.
Explanation:
Formula of Mohr's salt = \[\ce{(NH4)_2 * Fe(SO4)2 * 6 H2O}\]
Formula of Potash alum = \[\ce{KAl (SO4)2 * 12H2O}\]
`"Number of water molecule in mohr's salt"/"Number of water molecule in potash alum" = 6/12`
= 0.5
= 5 × 10-1
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General Characteristics of the Compounds of the Alkali Metals
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