Chemistry, 06.10.2021 14:20 lildebiecakes
4. When an aqueous solution suspected of containing Ba2+ or Pb2+ or both is mixed with
sulfuric acid a precipitate forms. In another test, when the original solution is mixed with an
aqueous solution of sodium sulfide no precipitate forms. What do these two tests indicate
about the likely presence of Ba2+ and Pb 2+ in the original solution? Explain your answer.
Answers: 2
Chemistry, 22.06.2019 13:30, suemmimonjaras8374
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
Answers: 1
Chemistry, 22.06.2019 20:40, ohgeezy
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
4. When an aqueous solution suspected of containing Ba2+ or Pb2+ or both is mixed with
sulfuric ac...
Computers and Technology, 02.12.2021 19:50
Mathematics, 02.12.2021 19:50
Computers and Technology, 02.12.2021 19:50
French, 02.12.2021 19:50
Social Studies, 02.12.2021 19:50
Business, 02.12.2021 19:50