Chemistry, 13.07.2021 17:00 Ecneixneixnwism8984
Determine which one of the solutions listed below is found in each of the nine test tubes given to you by mixing them only. The nine possible solutions are:
6M HCl 6 M NH3 0.1 M CuSO4 0.1 M BaCl2 0.1 M Na2CO33 M H2SO4 6 M NaOH 0.1 M Pb(NO3)2 0.1 M Al(NO3)3
Observations Grid for Unknown A Tube 1 Tube 2 Tube 3 Tube 4 Tube 5 Tube 6 Tube 7 Tube 9 Tube 1 Light blue ppt. blue ppt. N. R. Light Tube 8 Dark blue, clear ppt. Very dark blue Blue ppt. solution Green solution N. R. Tube 2 N. R. White ppt. White ppt. Warm Bubbles N. R. Clear, hot N. R. Light White Tube 3 White ppt. blue ppt. White ppt. White ppt. White ppt. N. R. White ppt. dis- appears ppt. Light Tube 4 White ppt. White ppt. White ppt. blue ppt. White ppt. N. R. N. R. N. R. White Tube 5 Very dark blue solution Warm White ppt. N. R. White smoke, warm Wavy solution White lumpy ppt. ppt. Tube 6 Blue ppt. Bubbles White ppt. White ppt. N. R. Bubbles N. R. White ppt. Tube 7 Green solution N. R. White ppt. N. R. White smoke, warm Bubbles Clear, hot N. R. White Clear, Clear, Tube 8 Dark blue, clear ppt. N. R. ppt. dis- Wavy solution N. R. N. R. hot hot appears Tube 9 N. R. N. R. N. R. N. R. White lumpy ppt. White ppt. N. R. N. R.
Answers: 2
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