REAC 390 Double Replacement Reactiona date Pre-Laboratory Assignment 1. What pre

Question

REAC 390 Double Replacement Reactiona date Pre-Laboratory Assignment 1. What precautions must be taken when handling 3. When a blud 0.5M HCI and 0.3M KOH solutions in the laboratory? mioed with a copperoi) nitrate solution, CuINOsh2 is oolorless sodium sulfide solution (Na S), a black precipitate is formed (1) Use the information from the table in the Cal- culations section of this module to determine the iden- tity of the black precipitate. 2. Define the following terms as they apply to this experiment (1) reaction mixture (2) Write the molecular equation for this double (2) supernatant liquid (3) Write the complete ionic equation for this reaction. (3) spectator ions (4) Write the net ionic equation for this reaction. (4) net ionic equation

Explanation / Answer

1)  the following protective equipment when using hydrochloric acid of any concentration:

The wearing of protective gear can help prevent serious injury from sodium hydroxide. Here are some suggestions on what to wear

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