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Will you please provide the answers for the questions and show the math to it so that I can understand how you got it.
It takes about 1.04 μL, (microliters) of a copper solution containing 0.5421 g of copper ion per 100 mL to make a spot approximately 0.379 cm in diameter. Calculate the micrograms of copper ion in the spot.
Using the "ruler" in the picture of the chromatogram and measuring with an accuracy of .1 unit,
calculate the retardation factor (Rf) for compound D.
MEASUREMENTS AND CALCULATIONS
1a) How far did compund D move? "units".
1b) At the same time, how far did the solvent move? "units".
1c) What is the Rf for compound D?
2) How many pg (micrograms) of copper ion are in the spot?
A 7.45 g sample of solid LiOH is completely dissolved in 120.00 g of water at 23.25°C contained in a calorimeter with a heat capacity of 11.7 J/°C. The specific heat capacity of the solution produced was 4.20 J/g•°C
at 80 degc the vapor pressures of pure liquids x y and z are 385 190 and 66 mm hg respectively. what pressure must be
Calculate the molarity of the solution. How many grams of KNO3 are needed to make 450 mL of a solution that is to contain 5.50 mg/mL of potassium ion?
Use average bond energies to estimate enthalpy changes for C(s) + CO2(g) -----> 2CO(g) i got -221 kj/mol, but it was the wrong answer though.
Plan and Design Lab: To Determine the water of crystallization in hydrated copper (2) sulphate. Hence determine the formula CuSO4.xH2O.
What is the equilibrium concentration of HXY4 ^2- for a 0.15 M solution of the triprotic acid, H3XY4?
Obviously occurring element X exists in three isotopic forms: X-28 (27.977 amu, 92.21% abundance), X-29 (28.976 amu, 4.70% abundance), and X-30 (29.974 amu, 3.09% abundance). Compute the atomic weight of X
1why is an acetyl group added to aniline making acetanilide and then removed to regenerate the amine group in
Write the condensed structural formula of the ester formed when each of the following reacts with methyl alcohol
Assuming that the loss of ability to recall Chem 401 material is a first-order process with a half-life of 55 days for the traditional (talking head lecture) and a C of 305 days for the active approach,
Write the equation(s) that describe the synthesis of (NH4)2PbCl6 starting from Pb(II) [i.e Pb(NO3)2]. Hint:There is a redox reaction in the first step, where the bleach (ClO^-) is the oxidising agent.
A gas evolved during the fermentation of sugar was collected at 22.5 c and 702 mmhg. After purification it's volume was found to be 25.0 l . How many moles of gas were collected.
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