Decide whether Au dissolves in 1 M H2Cr2O7 or not. Explain.
Gold is represented by the atomic symbol Au. The chemical element gold is marked with an atomic mass of 197 g/mol. The melting point is around 1064 degrees Celsius.
Answer and Explanation: 1
Gold is marked with a boiling point of 3129 K and is insoluble in acids such as sulphuric acids. Although Au or gold can dissolve in 1 M H2Cr2O7.
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fromChapter 2 / Lesson 10
The Gold Rush in the mid-1800s brought many people to California who thought they could find gold and get rich. Discover how the California Gold Rush began and learn about the 49ers who hoped that finding gold would change their lives.