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- 01.33 g/cm3 25. The colloids in soil are both organic and mineral in nature. O True O False GENUINELEATHEThe daily value % per 1 serving for Nature’s Bounty Zinc(50mg) is 455.0%. If you adjust it to 5 servings what is the new dv%? Have you reached upper limit?BSA Concentration (ug/mL) Abs 2000 2.25 1500 1.715 1000 0.915 750 1.156 500 0.714 250 0.082 125 0.086 25 0.082 Create a BSA standard curve Abs562=f[BSA] using a Scatter Plot representation in Excel.
- Antacid tabletAluminum hydroxide 325 mgMannitol 812 mgSodium saccharin 0.4 mgSorbitol (10% w/v sol’n) 32.5 mgMagnesium stearate 35 mgMint flavor concentrate 4 mgBatch size: 150,000 tabletsHow much mannitol is needed for the batch size?a. a.12.2 kgb. 121.2 kgc. 121.8 kgd. 1218 kgPrepare 1L 20X Trace minerals stock in a media bottle: Fill out the last column of this table: Component NaCl MnSO4.H₂O H3BO3 CaSO4.5H2O NazMo04.2H₂O COSO4.7H2O KI CaCl2.2H₂O NiCl2 ZnSO4.7H2O FeSO4(NH4)2. 6H20 1X concentration 0.06 g/L 0.024 g/L 0.5 mg/L 0.5 mg/L 2 mg/L 0.0023 mg/L 0.1 mg/L 0.2 g/L 0.0025 mg/L 12 mg/L 35 mg/L 20X (Provide unit)9.7. A small lake with a volume equal to 500,000 m³ is approximately completely mixed. The lake is used as a fishing pond by local residents, but pesticide-containing runoff from local farms may cause damage to the fish population. Natural flow through the system is 1000 m³/d and agricultural runoff is 200 m³/d for 200 d. Pesticide concentration in the runoff is 0.1 g/m³. When will the concentration increase to the 0.02 g/m³ level known to be toxic to the fish? dad by 3 1
- An analysis of city drinking water for total hardness was done by two students in the laboratory and produced the following results (in ppm CaCO3): Student A: 228.3, 226.4, 226.9, 227.1, and 228.6. Student B: 229.5, 226.1, 230.7, 223.8, and 227.5 1. Calculate the following for each data set: (proper significant figures, neglect units) a) Mean for student A b) Mean for student B c) Relative standard deviation for student A d) Relative standard deviation for student B e) Confidence Level for Student A at 95% (write as a range for example: 200-300) f) Confidence Level for Student B at 95% (write as a range for example: 200-300) g) Which of the student have a more precise result? (write STUDENT A or STUDENT B)2. How many cm are in 562 um? 662um x cm 10.0562pa lo00 m 3. How many milligrams is 71 grams? 71'grams milligramy groms 4. Convert 361 microliters (uL) into milliliters. 5. Convert 83 dg into mg. 6. Convert 52.7 mm to cm.67. Purified water contains not more than 10 ppm of total solids. Express this concen- tration as a percentage. 67. 0.001% w/v
- 168 56572 w11o QUESTION 2 You obtained the following raw data when setting up a Bradford standard curve: BSA (mg/ml) Absorbancy 595nm 0.225 0.310 0.420 0.510 4. 0.610 0.720 0.810 0.915 0.950 0.980 0.990 After blanking against a bradford-dH20 sample, the protein concentration of an unknown sample was determined using the same method and an absorbancy of 0.679 was obtained. Set up a standard curve, ekeluding outliers (experimental and statistical) and determine the protein concentration in the unknown sample in mg / ml (up to 3 significant figures).A dry oil shale has a unit weight of 26.3 KN/ m³ when saturated with oil of Unit weight 5.80 kN/ m3 the shale has a unit weight of 28.9 KN/ m³ . How many gallons of oil can be extracted from 4.72 x 106 m3 of saturated oil shale?1. Given .750L of a 12M HCI solution, what volume of 5.00M HCI could you make?