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Chemistry, 22.06.2019 00:30
You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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Chemistry, 22.06.2019 12:30
Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
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Chemistry, 22.06.2019 23:00
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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How many moles of CaC2 are needed to react completely with 45.0g H2O?
Equation: CaC2+2 H...
Equation: CaC2+2 H...
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