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please convert the following concentrations in Molar to
micrograms/microliter (ug/uL).
CONCENTRATION (M) CONCENTRATION (ug/L) 11.08155 [6.37*...
(6) A seawater sample has the following composition: Mass Concentrations Mol. Weight Molar Concentrations (a) Convert...
(6) A seawater sample has the following composition: Mass Concentrations Mol. Weight Molar Concentrations (a) Convert these mass concentrations to molar units (moles per liter) assuming density = 1.026 kg/L. Express the results using the appropriate M, mM, MuM, nM etc. notation (for example, 1.35x10^-3 M would be 1.35 mM, 1.35x10^-2 would be 13.5 mM and 1.35x10^-4 would be 135 MuM). (b) What is the salinity of this sample?
Convert 15.6 mL of NaOH to moles Concentration of NaOH is 0.10 M NaOH molar mass...
Convert 15.6 mL of NaOH to moles Concentration of NaOH is 0.10 M NaOH molar mass = 39.997 g Please show all work. Thank you
Caleulate the 0.45 ppm NO, concentration at 25°C and 1 atm pressure as mg/m' and ug/m...
Caleulate the 0.45 ppm NO, concentration at 25°C and 1 atm pressure as mg/m' and ug/m 5. Estimate the stoichiometric air to fuel ratio for a 100% ethanol (CHCH2OH) fuel One mole of CH,CHOH-46g: one mole of O;-32g; one mole of N, 28g Assume the following reaction. 6 CH CH,OH+36 O; +135.36 N;12 CO + 18 H,O+135.35 N (Ans:18) Solid waste with the density of 110 kg/m is spread in a 0.5m layer at a landfill. If a steel wheel...
1) Figure below show a 36 uL of stock solution containing 800 ppm of CuSO4 was...
1) Figure below show a 36 uL of stock solution containing 800 ppm of CuSO4 was transferred into T1 tube contained with 324 uL of wash buffer. Next, serial dilution was performed from T1 to T5. (CuSO4 molar mass: 159.61 g/mol) 36 ul 120 ML 120 ML 120 L 120 L 800 ppm Cuso T1 Stock solution T2 T3 T4 TS B1 Dilution Factor Final Concentration NA 800 ppm Tube Volume Diluent Total Final Transferred Volume Volume Volume (PL) (wash...
1) A graph of the Absorbance vs Concentration of BSA at 545 nm has a linear...
1) A graph of the Absorbance vs Concentration of BSA at 545 nm has a linear trendline with the equation y = 0.6587x + 0.0001. Please calculate the concentration of an unknown sample with an absorbance of 0.330. 0.0001 mg/mL 0.217 mg/mL 0.6587 mg/mL 0.501 mg/mL 2) Please review the “Absorbance Assay at 280 nm” portion of your lab. Please calculate the concentration of an unknown sample with an absorbance of 0.330, path length 1.00 cm, and a molar absorption...
If each species has an initial concentration of 2.5 M; please calculate Keq and the concentrations...
If each species has an initial concentration of 2.5 M; please calculate Keq and the concentrations at equilibrium for the following reaction at 578 degrees C. NOCl(g)<----> NO(g) + Cl2(g)
Report: Report the individual concentration in [M] of Tartrazine and Sunset Yellow in the sample. Certificate...
Report: Report the individual concentration in [M] of Tartrazine and Sunset Yellow in the sample. Certificate of Analysis Purities: Tartrazine (M.W. 534.36): 89.0% (Calculated from Carbon, Nitrogen Analysis) Sunset Yellow (M.W. 452.37): 96.2% (By HPLC) Weight of Standards: Tartrazine: 0.1006 Gm Sunset Yellow: 0.1000 Gm Absorbances: 427 nm 4 81 nm Tartrazine: 0.936 0.274 Sunset Yellow: 0.414 0.956 Sample: 0.539 0.409 Data Analysis •Determine the weight of Tartrazine or Sunset Yellow in the standards by multiplying the weight of standard...
Density of water = 998 kg/m^3 Molecular weight of CaCO3 = 100 g/mole please help to...
Density of water = 998 kg/m^3
Molecular weight of CaCO3 = 100 g/mole
please help to solve this problem
Determine the concentration, molarity, normality, and mole fraction of a 2-L solution containing 50 g calcium carbonate (CaCO3). Assume that the density of water is based on a temperature of 20°C/68°F.
please Question #3: Xylene cyanol is a commonly utilized dye in biological study of macromolecules. The...
please
Question #3: Xylene cyanol is a commonly utilized dye in biological study of macromolecules. The chemical formula is C25H27N2NaO6S2 and the molecular weight is 538.61 Da. You are given 10mL of a stock solution of xylene cyanol that contains a starting concentration of 135 millimolar a. What is the concentration of the stock solution in mg/mL? In ug/mL (micrograms)? b. You lab partner sets up the following dilutions: Water (mL) Xylene stock (mL) 2.5 6.3 1 1.234 0.150 3.5...
6). TrisHCl is an organic buffering compound that forms an equilibrium with its conjugate base (TrisCl-) according to th...
6). TrisHCl is an organic buffering compound that forms an equilibrium with its conjugate base (TrisCl-) according to the following equilibrium. TrisHCl TrisCl- + H+ pKa= 8.1 - (i) In a solution which has a pH=8 what are molar ratios of TrisCl of TrisHCl l? (ii) If the above solution which has a total Tris concentration ([TrisHCl] + [TrisCl-] = 1 mol L-1) of 1 mol L-1 what are the concentrations of TrisHCl and TrisCl? (iii) What masses of TrisHCl...
(6) A seawater sample has the following composition: Mass Concentrations Mol. Weight Molar Concentrations (a) Convert these mass concentrations to molar units (moles per liter) assuming density = 1.026 kg/L. Express the results using the appropriate M, mM, MuM, nM etc. notation (for example, 1.35x10^-3 M would be 1.35 mM, 1.35x10^-2 would be 13.5 mM and 1.35x10^-4 would be 135 MuM). (b) What is the salinity of this sample?
Caleulate the 0.45 ppm NO, concentration at 25°C and 1 atm pressure as mg/m' and ug/m 5. Estimate the stoichiometric air to fuel ratio for a 100% ethanol (CHCH2OH) fuel One mole of CH,CHOH-46g: one mole of O;-32g; one mole of N, 28g Assume the following reaction. 6 CH CH,OH+36 O; +135.36 N;12 CO + 18 H,O+135.35 N (Ans:18) Solid waste with the density of 110 kg/m is spread in a 0.5m layer at a landfill. If a steel wheel...
1) Figure below show a 36 uL of stock solution containing 800 ppm of CuSO4 was transferred into T1 tube contained with 324 uL of wash buffer. Next, serial dilution was performed from T1 to T5. (CuSO4 molar mass: 159.61 g/mol) 36 ul 120 ML 120 ML 120 L 120 L 800 ppm Cuso T1 Stock solution T2 T3 T4 TS B1 Dilution Factor Final Concentration NA 800 ppm Tube Volume Diluent Total Final Transferred Volume Volume Volume (PL) (wash...
Density of water = 998 kg/m^3
Molecular weight of CaCO3 = 100 g/mole
please help to solve this problem
Determine the concentration, molarity, normality, and mole fraction of a 2-L solution containing 50 g calcium carbonate (CaCO3). Assume that the density of water is based on a temperature of 20°C/68°F.
please
Question #3: Xylene cyanol is a commonly utilized dye in biological study of macromolecules. The chemical formula is C25H27N2NaO6S2 and the molecular weight is 538.61 Da. You are given 10mL of a stock solution of xylene cyanol that contains a starting concentration of 135 millimolar a. What is the concentration of the stock solution in mg/mL? In ug/mL (micrograms)? b. You lab partner sets up the following dilutions: Water (mL) Xylene stock (mL) 2.5 6.3 1 1.234 0.150 3.5...
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