Chemistry, 17.12.2020 06:40 kutsevjulianna
A test solution contains 15mg/cm^3 of Pb^4+ ion. What mass of PbBr4 must be used to make 1500 cm^3 of the test solution?
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If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition
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Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
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Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
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A test solution contains 15mg/cm^3 of Pb^4+ ion. What mass of PbBr4 must be used to make 1500 cm^3 o...
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