A chemist prepares a solution of magnesium chloride (MgCl₂) by measuring out 47.3 mg of MgCl₂ into a 50. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of C1 anions in the chemist's solution. Be sure your answer is rounded to the correct number of significant digits. 0 mol L 0 x10 X

50 Percentage Red No. 40 Soln 100% 80% 60% 40% Table 4.1: Dilutions of Red No. 40 & Absorbance Volume of Red No. 40 Soln (mL) 10me 8mL опи 4mL Percentage Red No. 40 Soln 100% 80% 60% 40% 20% Volume of DI Water (mL) OML 2mL LIML M UML 8ML Table 4.2: Dilutions of Red No. 40 & Absorbance Concentration Red No. 40 2. Report the wavelength with the maximum absorbance of Red No. 40 dye. Absorbance 20% 2ML Part A: Making a Calibration Curve for Beer's Law 1. Calculate the concentrations of each of your diluted Red No. 40 solutions and add these to Table 4.2. Show at least one sample calculation in the space below. 0.251 0.192 Total Volume 0.181 0·119 0.060 (mL) 10 mL 10 mL 10 mL 10 mL 10 mL

Qlaccd sign in - C = ctrl McGraw-Hill Ec X A ALEKS-Shusha X https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmym 0 tab shift ↑ O CHEMICAL REACTIONS Calculating molarity using solute moles X C A chemist prepares a solution of silver(II) oxide (AgO) by measuring out 0.0121 μmol of silver(II) oxide into a 500. mL volumetric flask an filling the flask to the mark with water. mol caps lock AVILION Calculate the concentration in mol/L of the chemist's silver(II) oxide solution. Be sure your answer has the correct number of significant digits. L Explanation esc ALEKS K →1 fn Type here to search ? A Z X Check f2 2 W P Pavilion x360 hp erywhere and every way stream ORO S x10 # X 3 X alt * E 14 $ 4 с S ㅇ 발 % 5 V T G 6 mu 17 4+ & Y 7 H ALEKS hp 18 8 X © 2022 McGraw Hill LLC. All Rights Reserved. a 19 DII NM McGraw-Hill Ex A ALEKS-Shush x + 95T1680XL... K ❖ ho A") DDI f12 6:50 PM 7/22/2022 Terms of Use | Privacy Center Acces 87°F insert alt + [ 2/5 ?…

I need help with these (Not honor class) (Not grading)

I need help finding the %Composition for %cychohexane and %toluene. The formula (area of peak/total area) * 100%

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How do I find the theoretical molarity?

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10 Wavelength, 1. (nm) E (Red, µ.Mcm- ɛ(Yellow, µMr'cm¬1) Absorbance 500 0.0369 0.000549 0.405 430 0.00506 0.0167 0.474 An orange colored solution is prepared by mixing a red dye solution with a yellow dye solution and the absorbance was measured at the analytical wavelengths of 430 nm and 500 nm. The table provides the molar absorptivity for the red and yellow dye at each analytical wavelength. Calculate the concentration (in u.M) of the red and yellow dye in the mixture. [red] = [yellow] =