Chemistry, 11.03.2020 18:52 gtemple22pdzs4j
Heavy metal ions like lead(II) can be precipitated from laboratory wastewater by adding sodium sulfide, Na2S. Will all the lead be removed from 12.6 mL of 6.00×10-3 M Pb(NO3)2 upon addition of 13.3 mL of 0.0117 M Na2S? If all the lead is removed, how many moles of lead is this? If not, how many moles of Pb remain?
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Chemistry, 22.06.2019 22:30, angelagonzalesownus1
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Heavy metal ions like lead(II) can be precipitated from laboratory wastewater by adding sodium sulfi...
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