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A: Interpretation: A compound has a solubility of 12.0 grams per liter of water. The type of solution…
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Q: "Determine the molarity of a solution that contains 15.50 mL of glycerol C3H8O3, d = 1.265 g/mL) in…
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A: given, the mass of glycine = 50.3 g mass of solvent X = 450. g = 0.450 kg boiling point elevation…
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Q: How many milimeters of a 0.29 M sucrose solution contain 335g of sucrose (C12H22O11) ?
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Q: Q1: The density of 78.5 g of methanol (Mwt. 32) is 0.89 g/ml. What is the Molality of the solution?
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Q: A solution is made by dissolving 6.60 grams of MgCl2 in 380.0 mL of water. What is the freezing…
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Q: Q1: The density of 78.5 g of methanol (Mwt. = 32) is 0.89 g/ml. What is the Molality of the…
A: Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of…
A solution containing equal masses of glycerol 1C3H8O32 and water has a density of 1.10 g>mL. Calculate (a) the morality of glycerol,
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- A martini, weighing about 5.0 oz (142 g), contains 30.0% by mass of alcohol. About 15% of the alcohol in the martini passes directly into the bloodstream (7.0 L for an adult). Estimate the concentration of alcohol in the blood (g/cm3) of a person who drinks two martinis before dinner. (A concentration of 0.00080 g/cm3 or more is frequently considered indicative of intoxication in a normal adult.)A soft drink contains 11.5%% sucrose (C12H22O11C12H22O11) by mass. How much sucrose, in grams, is contained in 355 mLmL (12 ozoz) of the soft drink? (Assume a density of 1.04 g/mLg/mL.)(d) A sample contains a mixture of ammonium carbonate (NH4)2CO3, sodium carbonate Na2CO3, and sodium chloride NaCl. Thermogravimetric analysis indicates that a 0.0965-g portion of this sample loses 0.0574 g over a temperature range of 50-75 oC and then loses another 0.0124 g at 800 oC.(i) What causes the weight loss at 50-75 oC? (ii) What species will remain after being heated to 800 oC? (iii) What is the composition of the original sample? Given: Atomic masses: H = 1.008; C = 12.011; N = 14.007; Na = 22.99; O = 15.999;Cl = 35.45.
- Determine the exact hardness in units of mg/L as CaCO3. Ba2+ contributes to hardness as well.Ethanol is metabolized in most people at a constant rate of about 120mg per hour per kg body weight, regardless of its concentration. If a 70kg person were at twice the legal limit (160mg/100ml), how long would it take for their blood alcohol level to fall below the legal limit?Given: 0.35g Nacl, 0.25 g NaHCO3, 0.15 g KCI & 2 g C6H1206 are present in 100 mL ORS solution (MW: Na: 23, K: 39, CI: 35, H: 1, C: 12, O: 16) Calculate the total amount of glucose expressed in mmol/L present in the prepared solution O 60.34 mmol/L O 20.27 mmol/L O 111.11 mmol/L 90.10 mmol/L 80.61 mmol/L 29.76 mmol/L
- Oral rehydration salts are stated to contain the following components: Sodium Chloride 3.5g Potassium Chloride 1.5g Sodium Citrate 2.9g Anhydrous Glucose 20.0g 8.342 g of oral rehydration salts are dissolved in 500 ml of water. 5 ml of the solution is diluted to 100 ml and then 5 ml is taken from the diluted sample and is diluted to 100 ml. The sodium content of the sample is then determined by flame photometry. The sodium salts used to prepare the mixture were: Trisodium citrate hydrate (C6H5Na3O7, 2H2O) MW 294.1 and sodium chloride (NaCl) NW 58.5. Atomic weight of Na = 23. The content of Na in the diluted sample was determined to be 0.3210 mg/100 ml. Determine the % of stated content of Na in the sample. The stated should be 104.5, how??Oral rehydration salts are stated to contain the following components: Sodium Chloride 3.5g Potassium Chloride 1.5g Sodium Citrate 2.9g Anhydrous Glucose 20.0g 8.342 g of oral rehydration salts are dissolved in 500 ml of water. 5 ml of the solution is diluted to 100 ml and then 5 ml is taken from the diluted sample and is diluted to 100 ml. The sodium content of the sample is then determined by flame photometry. The sodium salts used to prepare the mixture were: Trisodium citrate hydrate (C6H5Na3O7, 2H2O) MW 294.1 and sodium chloride (NaCl) NW 58.5. Atomic weight of Na = 23. The content of Na in the diluted sample was determined to be 0.3210 mg/100 ml. Determine the % of stated content of Na in the sample.Which of standard substance (or standardized solution) is correct for standardization of NaNO2: aminobenzenesulphonic acid Na,B407 10H2O; I2; H,C,O4-2H,O;
- 3. A bacteria is able to grow on hexadecane as a substrate: C16H34 + 16.28 O2 + 1.42 NH3 →1.65 C4.4HBO₂N8 + a CO₂ + 13.11 H₂O (a) What is the respiratory quotient (mol/mol)? (b) What is the cell formula for this microorganism? (c) Assuming 100% conversion, calculate the yield of cells from hexadecane (Yx/s) and from oxygen (YX/0₂).If 4.27g of sucrose, C12H22011 are dissolved in 15.2 g of water, what will be the boiling point of the resulting solution? (Kb for water = 0.512K/m. The normal boiling point of water is 100 Celsius)Is CuSO4 soluable in water?