When testing an unknown sample for the presence... - SS3 Chemistry Analytical Chemistry I: Qualitative Analysis Question
When testing an unknown sample for the presence of sulphate ions (SO4^2-), which reagent is added to produce a white precipitate if sulphates are present?
A
Silver nitrate (AgNO3)
B
Barium chloride (BaCl2)
C
Ammonium hydroxide (NH4OH)
D
Sodium carbonate (Na2CO3)
correct option: b
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