What is the number of mmoles of hexamethylenediamine (MW = 116.21 g/mol) that is contained in 10mL of a solution 5% (g/mL)? %3D Answer:

Q: You are to reconstitute 1 g of powder with a volume of 2.8 mL to make a final solution of 50 mg/mL.…

A: The solution is as follows:

Q: Calculate the quantity of each ingredient needed to prepare 15 mL o the following ophthalmic…

A: Given  Amount to be prepared = 15ml E.l = 500 mg Dsp= 100 mg Glyclein=25 ml Sterile water = 100 ml

Q: How many grams of drug does a 100mL of 3 % solution contain? Group of answer choices 30 grams 0.03…

A: The mass of solute in gram present in 100 mL of solution is known as the mass percent concentration…

Q: 2. Find (i) the boiling point and (ii) the freezing point of a solution containing 0.52 g glucose…

A:

Q: QUESTION 6 Rubbing alcohol is 70.% (m/v) isopropyl alcohol by volume. How many mL of isopropyl…

A:

Q: Given the information that the specific gravity of glycerin is 1.25 at 25°C, you will need to add…

A: %w/w is concentration unit to find the mass of solute present in 100 gm of solution we are required…

Q: ) Which technique would be best to determine the amount of nitrate in drinking water? Select one.…

A: Answer of 1 and 2 :

Q: Calculate the mass of Na2S203.5H20 needed to prepare 250 cm3 of a 0.011 M solution in a volumetric…

A: Molarity is the number of moles of solute dissolve in one litre of the solution. Given that,…

Q: What volume (in mL) of 0.0887 M MgF2 solution is needed to make 275.0 mL of 0.0224 M MgF2 solution?

A: We are known with Molarity equation as- M1V1 = M2V2 here, M1 will be 0.0887M and V1  has to…

Q: If the administration of gentamicin at a dose of 1.75 mg/kg is determined to result in peak blood…

A:

Q: How many mL of pure ethanol are in a 8oz bottle of 100 proof alcohol? Answer: The correct answer is:…

A: Given that - pure Ethanol in a bottle of volume = 8 oz = 8×29.574 mL = 236.592 mL    And proof of…

Q: number] 2. Calculate the osmolarity of a solution containing 7.5% dextrose and 0.9% sodium chloride…

A:

Q: How many milliliters of a stock 5.63 M HNO3 solution would be needed to prepare 0.500 L of 0.500 M…

A: Actually the number of moles present in stock solution and in 0.500 L of 0.500 M HNO3 should be…

Q: How many grams of MgCl2 in 30.00 mL of a 25.5 ppt solution ? (30.00 mL)(- %3D mL а. 25.5 i. 18.0 b.…

A: All the necessary calculations have been done in the following step.

Q: What is the Oxygen saturation in water with a salinity of 10,000 mg/L at 15 °C ? Use water density…

A: given : salinity = 10000 mg/L at 15°C density of water = 1000 kg/m3 degree of saturation = dissolved…

Q: What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of 40.0 mL?

A: Given, Volume of CH3OH = 10 mL, Volume of…

Q: 1. What mass (in g) of MnSO4•H2O is needed to prepare 50.0 mL of 350. ppm MnSO4 (d=1.00 g/mL)? (a)…

A: We know that, ppm = (mass of solute/volume of solution)x106

Q: A metronidazole vaginal gel contains 0.75% of drug in 70-g tubes. An applicator will hold 5 g of gel…

A: Metronidazole vaginal gel contains 0.75% of drug in 70 g tubes. Total amount of gel per application…

Q: a bottle of 297.6ml of water from a creek at 0 degree celsius in the winter was collected and…

A: Molarity of thiosulfate = 10.22 m M = 10.22 * 10-3 M Volume of thiosulfate = 14.05 mL = 14.05 *…

Q: If 10 ml of the peach solution simulates one medium peach, how many mg of ascorbic acid were in this…

A: Ascorbic acid (vitamin C) is mainly found in fresh fruits such as lemon, orange, lime, peach,…

Q: Result: A. Data Trial 1 Trial 2 Weight of KHP Volume of NaOH Used 17 mL (mL) Normality of NaOH…

A:

Q: what is the weight in grams of 300 ml of alcohol with a specific gravity of 0.80

A: Specific density may be defined as the ratio of density of substance with the density of…

Q: Seoyeon needs to prepare a 250 mL solution of 0.1000 M Na2CO3. Which glassware should she use to…

A: All the instruments mentioned can be used to measure the volume of the solution. Although for…

Q: How much of each ingredient would be needed to manufacture 2000 such tubes o ointment?

A: sulfacetamide sodium 10% Prednisolone acetate 0.2% Phenylmercuric acetate 0.00082% mineral oil 1%…

Q: How many moles of KI are contained in 3470 g of water in a 0.0175 m KI solution?

A: Molality is the ratio of number of moles of solute to the mass of solvent in kilogram. Molality =…

Q: 5. Assuming your solute has good solubility properties in your recrystallization solvent, what is a…

A: Every time it is not possible to attain 100% recovery in recrystallization. Sometimes some of the…

Q: 10. Concentrated nitric acid, HNO3(aq), has a concentration of 15.7 M. What volume of concentrated…

A:

Q: Suppose you are interested to extract most of the 5 grams of vitamin C dissolved in 100 mL of water…

A: The quantity extracted Qn = A(KDV1/KDV1 + V2)n Here Qn = amount of substance unextracted in n number…

Q: 6)  100.01 mg Cu(NO3)2 is diluted to 100.00 mL with distilled water. Calculate the ppm of the…

A: GIVEN: Mass of Cu(NO3)2 is = 100.01 mg Volume of distilled water = 100.00 mL = 0.100 L Uncertainty…

Q: What is the molaríty of a solution containing 9.478 grams of RuCl3 in enough water to make 1.00 L of…

A:

Q: Ringer's solution contains 0.33g of calcium chloride per L. Express the concentration in terms of…

A: Molecular mass of CaCl2 (calcium chloride)= 111 gm

Q: How many grams of Na2CO3 are needed to prepare 500cm3 of a solution containing 10.0mg of CO32- per…

A: Solution-  10.0 mg of CO32- per cm3 Therefore  in 500 cm3 solution mass of CO32- = 5000 mg = 5 g…

Q: 3. A torsion prescription balance has a sensitivity requirement of 4 mg. Explain how you would weigh…

A: Given that : Sensitivity requirement of torsion prescription balance = 4 mg Mass of hydromorphone…

Q: If 250 mL of a 12% solution is diluted to 1 L, what will be the percentage strength?   a 1.2%   b…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the amount of…

Q: erile ophthalmic solution contains 8 % w/v sulfacetamide sodium (E = 0.25) in a 4-mL container.…

A:

Q: 6) The electrical conductance of the aqueous solution of [Co(NH:)sBr]Br2 changes on standing…

A: The aqueous solution of coordination complexes can carry electricity because they dissociate into…

Q: 11- the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of 1.42…

A:

Q: How many milliliters of a 0.9% (wiv) NaCl ophthalmic solution can be prepared from 25 ml of a 25%…

A: • The values provided in the question are:-    i) Mass/volume percent of NaCl solution, M1 = 25 %…

Q: QUESTION 1.  Identify the solute and the solvent in each of the following solutions: d. 10 mL of…

A: d) Given: Volume of acetic acid = 10 mL And volume of water = 200 mL.

Q: What is the molarity of the caffeine solution B? Molecular Weight of Caffeine 1942 grmol A Take 20…

A: Given, Note: 1000 mL = 1 L Solution A Molarity of the solution A = 5 × 10-4 M = 5 × 10-4 mol/L…

Q: A standardization with 0.1 % ascorbic acid consumed 21.20ml of DCPIP. When the same DCPIP was used…

A: In the given problem we need to calculate the % loss of vitamin C in the making of commercial fruit…

Q: 17 g of unknown organic sample was dissolve in 564 mL of Dicloromethane (DCM). The boiling point of…

A: NOTE: It will be benzene only and not DCM as the data is given for benzene and there is a typo error…

Q: Pre-lab question #1: The Ksp for BaCO3 is 5.1 x 10°. How many grams of BaCO3 will dissolve in 1000…

A:

Q: formulation of rectal suppository contains 0.5 % (w/w) phenylephrine and 0.4 % (w/w) shark liver…

A: Given  Mass of suppository = 2.5 grams  suppository contains 0.5 % (w/w) phenylephrine and 0.4 %…

Q: Solve for the (E) Increase in boiling point, (F) Molecular Weight of urea (experimental), (G)…

A:

Q: You are to reconstitute 3 g of powder with 11.8 mL of diluent to make a final solution of 200 mg/mL.…

A: The solution is as follows:

Q: cricket A M V all 31% 8:48 PM OCR Sign Delete 21. Calculate the grams of solute in each of the…

A:

Q: Please answer subparts A, and B A. At 40 degrees Celsius, the solubility of KNO3 is 65 g /…

A:

Q: Calculate how many mL of 0.1500 M solution of NaCl is needed to obtain 125.0 g of NaCl? A) 1141 mL…

A: Given, mass of NaCl = 125.0 g Molarity of NaCl = 0.1500 M Molar mass of NaCl = 58.44 g/mol