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Chemistry, 21.06.2019 13:00, 20jhuffman
Asolution at 25 degrees celsius is 1.0 Γ 10β5 m h3o+. what is the concentration of ohβ in this solution?
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What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
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Chemistry, 23.06.2019 11:50, halllawson
What is the oxidation half-reaction for this unbalanced redox equation? cr2o72β + fe2+ β cr3+ + fe3+ cr3+ β cr2o72β cr2o72β β cr3+ fe3+ β fe2+ fe2+ β fe3+?
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Calculate the mass of solid (NH 4 ) 2 CO 3 required to make 250 mL of a 0.300M solution....
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