SOLVED: Show the calculation that you will use to prepare 5 mL of 200 mM stock solution of cobalt (II) chloride in distilled water. The molecular weight of cobalt (II) chloride hexahydrate (CoCl2 · 6H2O) is 237.93 g·mol-1.
SOLVED: Show the calculation that you will use to prepare 5 mL of 20…
Feb 21, 2022
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Combining a cobalt(II) chloride seed and an aqueous solution of sodium silicate forms these hollow precipitate structures that seem to grow like tiny plants. Their unique behavior is a result of a careful balance between osmotic pressure, buoyancy, and gravity, which this researcher worked to further understand in a paper published in ACS Omega. Chemical gardens have been used as science fair experiments and party tricks for years, with the first examples dating back to the 17th century. But tod
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An aqueous pink solution of cobalt (II) chloride changes to deep blue on addition of excess of HCl. This is because: (i) [Co(HX2O)X6]X2 is transformed into [CoClX6]4− (ii) [Co(HX - Chemistry | Shaalaa.com
An aqueous pink solution of cobalt (II) chloride changes to deep blue …
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