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What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
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List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
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Chemistry, 23.06.2019 08:50
Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.
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When hno2 is dissolved in water it partially dissociates according to the equation hno2⇌h++no−2. a s...
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