In a lab experiment, you determine that an unknown substance is a solid at room temperature, has a high melting point, and dissolves easily in water. which of the following is a reasonable hypothesis based on your observations? a. the substance is an acid b. the substance is an ionic compound c. the substance is a covalent compound d. the substance is a nonmetallic compound
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Ответ:
Ответ:
[Co(H2O)6]3 is most likely to appear green,because of it physical nature and ph values.