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A solution containing an unknown metal ion is analyzed by qualitative analysis.Addition of chloride has no effect on the solution.Addition of H2S at pH 0.5 results in a precipitate.What group of cations is present?
Monumental Expansion
Significant growth or enlargement in size, scope, or importance, often used to describe architectural projects, empires, or infrastructures.
International Trade Center
A facility, hub, or complex dedicated to promoting and facilitating global commerce, offering services like trade shows, offices, and logistical support.
Temple-pyramid
A monumental structure combining aspects of both temples and pyramids, often found in ancient Mesoamerican architecture.
La Venta
An ancient Olmec civilization site located in present-day Mexico, known for its colossal stone heads and considered a major center of Olmec culture.
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