0.0024 c. 656 x 0.015 d. 1.2 x 103/2.45 x 102 For dimensional analysis exercises, show all work. (8 pts) A certain process can plate out 80.6 μm3 of gold onto a metallic surface per second. How long will it take to create a 0.010 μm thick coating on a surface are of 0.30 cm2 using this process? a.

0.0024 c. 656 x 0.015 d. 1.2 x 103/2.45 x 102 For dimensional analysis exercises, show all work. (8 pts) A certain process can plate out 80.6 μm3 of gold onto a metallic surface per second. How long will it take to create a 0.010 μm thick coating on a surface are of 0.30 cm2 using this process? a.

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter2: Basic Statistical Analysis With Excel

Section: Chapter Questions

Problem 12P

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For a defect reaction, what does this symbol mean, NixMg ?
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You can use this as your reference: https://www.youtube.com/watch?v=2J2t5FRnMtM
A student is given a sample of a pink manganese (II) chloride hydrate. She weighs the sample in a dry, covered crucible and obtains a mass of 26.742g for the crucible, cover, and sample. Earlier she had found that the crucible and cover weighed 23.599g. She then heats the crucible to drive off the water of hydration, keeping the crucible at red heat for about 10 minutes with the cover slightly ajar. She then lets the crucible cool and finds it has a lower mass; the crucible, cover and contents then weigh 25.598g. In the process the sample was converted to off-white anhydrous MnCl2. a. What was the mass of the hydrate sample? _ghydrate b. What is the mass of the anhydrous MnCl2? _gMnCl2 c. How much water was driven off? _gH2O d. What is the percent by mass of water in the hydrate? water=massofwaterinsamplemassofhydrateinsample100 _massH2O e. How many grams of water would there be in 100.0g hydrate? How many moles? _gH2O; _molesH2O f. How many grams of MnCl2 are there in 100.0g hydrate? How many moles? What percentage of the hydrate is MnCl2? Convert the mass of MnCl2 to moles. The molar mass of MnCl2 is 125.85g/mol. _gMnCl2; _molesMnCl2 g. How many moles of water are present per mole MnCl2? _ h. What is the formula of the hydrate? _
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