A0.2589 g sample of caco3 is dissolved in 6 m hcl and the resulting solution is diluted to 250.0 ml in a volumetric flask. titration of a 25.00 ml sample of the solution requires 29.55 ml of edta to reach the eriochrome black t end point. how many moles of caco3 (cacl2) are in the 25.00 ml aliquot? select all that apply.
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The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?
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Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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A0.2589 g sample of caco3 is dissolved in 6 m hcl and the resulting solution is diluted to 250.0 ml...
Mathematics, 21.04.2020 15:31