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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant
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Of element x has 22 protons, how many electrons does it have
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The forensic technician at a crime scene has just prepared a luminol stock solution by adding 18.0 g...
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