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CONVERT! PLEASE SHOW ALL STEP! THX!! a.) 10 ppm Cl- to ____ umol/L Cl- b.) 100...
(10)1. Find the concentration in (a) mg/L, (b) ppm, (c) ppb, and (d) moles/L (M), respectively, for thefollowing solution: 2 g of NaCl dissolved in 500 mL of water
Please show all work Ex: convert a) 670 ng to Mg b) c) d) e) 78nm3 to L Convert 864mg/CL to μg/ML 674 mm3 to gallons (1 gal=3.785L) Convert 467 Tm to miles. 1 mi-1.609 km.
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 show all steps and explain, as I need to understand for an exam. Thx! 14. The combustion of a hydrocarbon produces 66.02 g CO2 (molecular weight 44.01 g/mol) and 13.51 g H2O (molecular weight 18.01 g/mol). It's empirical formula must be: A. CH B. C2H C. CH2 D. C3H2 E. none of the above. ANSWER: A
Please show all steps and explain, as I need to understand for an exam. Thx! 15. A 2.0 g sample of ethylene (C2H4, molecular weight 28.05 g/mol) is combusted in pure oxygen (O2, molecular weight 32.00 g/mol). What mass of CO2 (molecular weight 44.01 g/mol) was generated? A. 22.82 g. B. 17.88 g. C. 11.21 g. D. 6.28 g. E. none of the above. ANSWER: D
please provide the answer step by step for all the questions. thank you 2. a. was The analysis of the complex formed between Cu(I) and 1,10-phenanthroline conducted using molecular spectroscopic method. The results showed that this complex has a molar absorptivity (8) of 7000 L cm'mol and maximum wavelength absorption (1) of 435 nm. Calculate the absorbance of a 6.77 x 10-6 M solution of the complex when measured in a 1.00 cm cell at wavelength of 435 nm. b....
please show all work clearly Problem 4 L L C 1 'm B D d A E F L = 3.8 m d = 2.3 m F = 806 N pulley radius = 0.3 m Determine the components of the support reactions at A and at E.
Please show step, thx The Agate Corporation manufactures and sells two types of bookcases, standard and deluxe. Agate expects the following operating results next year for each type of bookcase: 8. Sales. Variable expenses (total Standard Deluxe $450,000 $50,000 $180,000 $20,000 Agate expects to have a total of $57,600 in fixed expenses next year. What is Agate's break-even point next vear in sales dollars? A. $72,000 B. $96,000 C. $144,000 D. $240,000
Please show work step by step . Thanks. #21 temperature in R? 21. A 2.00 L sample of neon at 100°C and 10 kPa is compressed to 1.00 L, and its temperature is raised to 300°C. Find the new pressure of the gas. deanen aas is compressed to half its original volume while its
please show all calculations and formulas 1. The following calibration plot was generated for you: Calibration of Calcium Concentration by AA Absorbance Value at 422.7 nm y = 0.00937x + 0.01323 RP = 0.99844 10 50 60 20 30 40 Calcium Concentration (ppm) Prior to running your sample on the AA instrument, you diluted your sample 1:1 with distilled water. You measured the calcium absorbance to be 0.2955. a) What is the concentration of calcium (in ppm) of your original...