Chemistry

Chemistry, 14.07.2019 13:00, BaileyElizabethRay

If 10.00 ml of a 0.250 m naci solution is diluted to 500.00 ml, what is the concentration of the diluted solution

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Chemistry, 26.06.2019 19:00, tyneshiajones124

(a. what volume of 2.50 m lead(ii)nitrate solution contains 0.0500 mol of pb2+? ( b. how many milliliters of 5.0 m k2cr2o7 solution must be diluted to prepare 250 ml of 0.10 m solution? ( c. if 10.0 ml of a 10.0 m stock solution of naoh is diluted to 250 ml, what is the concentration of the resulting stock solution?

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Chemistry, 03.09.2019 03:10, potatocow

Astock solution containing mn2+ ions was prepared by dissolving 1.166 g pure manganese metal in nitric acid? and diluting to a final volume of 1.000 l. the following solutions were then prepared by dilution. for solution a, 50.00 ml of stock solution was diluted to 1000.0 ml. for solution b, 10.00 ml of solution a was diluted to 250.0 ml. for solution c, 10.00 ml of solution b was diluted to 500.0 ml. calculate the molar concentrations of the stock solution and solutions a, b, and c.

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Chemistry, 06.10.2019 07:01, Jerrikasmith28

It was decided to analyze a waste solution that contains an unknown concentration of mn2+ ions using colorimetry. a strong oxidizing agent was added to a 6.40 ml sample of the solution to convert the colorless manganese ions into purple permanganate ions. after the reaction is complete, the solution was diluted to 100.0 ml and analyzed in a colorimeter. the percent transmittance of the solution was determined to be 47.8 %. also a calibration curve was prepared by using a series of solutions with known concentrations of permanganate and the equation for the best fit line was found. y=1560⋅x+0.024 what is the absorbance of the permanganate in the diluted waste solution? absorbance = what is the concentration of the permanganate in the diluted waste solution? concentration of the permanganate = m what is the concentration of the mn2+ ions in the original waste solution? concentration of the mn2+ ions = m

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Chemistry, 23.10.2019 23:00, itzygutierrez2763

8.5 ml of a 0.53 m solution of the strong acid hcl was diluted with water to a total volume of 1000.0 ml at 30°c. calculate the following. (the kw at 30°c is 1.46 ✕ 10−14.) (a) the concentration of h3o+ ions in the diluted hcl solution m (b) the ph of the diluted solution (c) the poh of the diluted solution

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If 10.00 ml of a 0.250 m naci solution is diluted to 500.00 ml, what is the concentration of the dil...

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