Find the Chemical Formulas of Unknown Observations and Comments on Spot Tests Th

Question

Find the Chemical Formulas of Unknown

Observations and Comments on Spot Tests

There are two possible responses for your "unknow" column. If no reaction occurs for a particular ion tested, write "No reaction." If you get a positive test for an ion, write simple circled conculusion such as Indicates PO4 3-

Ion Solution 1:2 Dilution Unknown

CO3 2- colorless, odorless, and bubble No Reaction

SO4 2- White, odorless and precipitate Indicates SO4 2-

PO4 3- Yellow and odorless No Reaction

SO3 2- Odor and colorless No Reaction

Cl - White and curdy precipitate No Reaction

C2H3O2 - Dark black and precipitate No Reaction

SCN - Deep red and precipitate Indicates SCN -

NO3 - Blue and a little precipitate Indicates NO3

Explanation / Answer

2AgNO 3 + H 2 SO 4 = Ag 2 SO 4 + 2HNO 3 .

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