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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...
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)
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...
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.
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...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) S...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
please solve 4 and 5 c) What is the molar concentration of potassium in this solution?...
please solve 4 and 5
c) What is the molar concentration of potassium in this solution? d) What is the concentration of total sulfur in this solution in my e) What is the concentration of reduced sulfur(ie, SC-11) in this solution in mg/L? 1) What is the theoretical TDS of this solution in mg/L?! 4. If 200 mg of HCl is added to water to achieve a final volume of 1.00 L, what is the final pH? 5. What amount...
(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...
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...
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.
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
please solve 4 and 5
c) What is the molar concentration of potassium in this solution? d) What is the concentration of total sulfur in this solution in my e) What is the concentration of reduced sulfur(ie, SC-11) in this solution in mg/L? 1) What is the theoretical TDS of this solution in mg/L?! 4. If 200 mg of HCl is added to water to achieve a final volume of 1.00 L, what is the final pH? 5. What amount...
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