How many milligrams of sodium chloride (NaCl; MW = 58.5) would be required to make a 50 mL total volume of 2% ephedrine sulfate solution isotonic? (Round to the nearest whole number). Answer: 2230 mg Answers 1-1 1. 2230

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard…

A:

Q: Draw bond-line structures of each of the following compounds.…

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: (b) Suggest a reasonable biosynthesis for the naturally occurring alkaloid coniine (isolated from…

A:

Q: 2.Ammonia is produced commercially by the Haber reaction according to the following reaction: N2(g)…

A: Le-Chatelier's principle states that if there is any changes in the variables of the reaction, the…

Q: 4. During the synthesis of Nickel, Ammonia, and Chloride coordination compound, what would happen to…

A: To explain what happens to the product yield if the synthesis was done at 100 oC instead of 60 oC.

Q: Which processes are increases in entropy in a substance? Check all that apply. boiling water…

A: Entropy is the measure of degree of randomness or disorderness.   we know the entropy order is:- GAS…

Q: What is the melting point of the substance modeled by this heating curve? F. 150 D E 135 120 105 90…

A:

Q: 17. Which of cation forms a hydroxide precipitation with excess NaOH solution? a. Sn+ b. Fe+ с. К*…

A: Note:-ions of  Ca , Mg , Al and Fe forms precipitate with excess of NaOH.

Q: List three species each for which a preferred selection of analytical method would be: i) UV-vis…

A: I) UV-Visible spectroscopy Can be used for transition metals ions, highly conjugated organic…

Q: Consider the following transformation and answer the questions that follow. OTBS OTBS OTBS OTBS Bno…

A:

Q: In the following reaction represented by the net ionic equation, the rate of reaction of CN– is…

A:

Q: The methoxy substituent on the benzene ring makes it less active than the unsubstituted benzene…

A: Given statement is  :  The methoxy substituent on the benzene ring makes it less active than the…

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate…

A: Given-> Rate constant (K) = 0.0030 M.s-1 Volume = 350 ml  Initial mmole of HI = 350mmole Time(t)…

Q: Uranium-235 decays spontaneously by nucleon emission. a) Write a balanced equation to show the decay…

A:

Q: H2C2O4. What amount is represented by 18.0 g of oxalic acid? How many molecules of oxalic acid are…

A: No of molecules=mole × avagadro number

Q: A voltaic cell is constructed using 1.0 M copper(1) ion, Cut and 0.2 M silver ion, Ag+ solutions.…

A:

Q: 8. Which of the following compounds is expected to have the strongest ion-ion interaction force? a)…

A: Here we have to predict the ionic compound in which ion-ion interaction will be strongest.

Q: determine the order of the reaction for each reactant and write the rate law equation for the…

A: Here we are required to find the rate law for the given reaction

Q: Propose a mechanism to account for the following reaction: CH3 maha mahos H3C CH₂CI AICI H₂C

A: In this question, we will draw the mechanism of this given transportation.  You can see the details…

Q: 13) In the following reaction, identify the major product. OH KHSO4 OH A B C OH E 14) When…

A: 13) dehydration of alcohol and conjugated product is major. 14)dehyrohalogenation.

Q: 2) How effective is a rechargeable battery after each time you charge it?

A: Answer to how effective is a rechargeable battery after each time we charge it.

Q: Question 1 In the regeneration of ion exchange resin. Cacl, as a washing salt is flushed from the…

A: Question 1) false. Question 2) false.

Q: Section 3: (a) Draw the product and draw the arrow pushing mechanism for the following reaction 2 H0…

A:

Q: 1.QuestionGiven the reaction at equilibrium: 2 SO2(g) + O2(g) 2 SO3(g) + heat Which change will…

A:

Q: (aq) (s) Task 2. You need to make a buffer solution that has a pH of 7 + 53/100 (e.g. 7.63) at SATP.…

A:

Q: emistry A 110.0-mL buffer solution is 0.105 M in NH3 and 0.135 M in NH4Br. The Kb value for NH3 is…

A: The answer is as follows:

Q: Given the reaction at equilibrium: N2(g) + O2(g) 2 NO(g) If the temperature remains constant and…

A: Given-> N2(g) + O2(g) <-----> 2NO(g)

Q: Which of the following orbitals doesn't exist. 7f 7p 3p or 4s

A: Orbital are region in the  space where probality of finding electron is maximum. 7f, 7P, 3p, 4s,…

Q: A gas made up of atoms escapes through a pinhole 4.58 times as fast as Kr gas. Write the chemical…

A:

Q: Why is it difficult to know whether you have added phenolphthalein to the flask solution before…

A: Phenolphthalein is an indicator use in acid-base titration. It is colorless in acid solution and…

Q: 3. A 25.00 mL sample containing HCI was treated with 20.00 mL of 0.955 M NaOH. What is the…

A:

Q: 5.76 Identify each of the following as a six-carbon or a three-carbon compound and arrange them in…

A:

Q: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) AH = -184.6 kJ Reaction 2: 20F2(g) O2(g) + 2 F2 (g) AH = -49.4…

A:

Q: Draw the structure of Ser from the most protonated to the least protonated form.

A: Serine is an amino acid having  additional alcohol functional group .

Q: Draw the structure of the peptide WAKEP. Write the full name of each amino acid above the relevant…

A: Here we are required to find the net charge over the peptide WAKEP.

Q: Draw the structure of the most prominent form of tyrosine at pH 1.9

A: We have to draw the structure tyrosine at pH 1.9

Q: What is the molality of a 60.5% by mass of nitric acid, HNO3 solution?

A: In this question, we will determine the morality of the nitric acid solution, here given 60.5% by…

Q: How many grams of NH4Cl (53.49 g/mol) must be dissolved in 0.639 L of solution in order to obtain a…

A: we need to find mass of NH4Cl in the solution for a pH 4.79

Q: If the ?b of a weak base is 3.1×10−6, what is the pH of a 0.18 M solution of this base? use ice…

A:

Q: 8. Classify the following molecules into chiral o achiral Chiral AChiral Chiral OH OH OH OH AChiral…

A: Molecules that are possess plane of symmetry are Achiral compound and molecules in which plane of…

Q: sodium

A: Part A: The dissociation reaction of iron (ii) carbonate is given as: FeCO3 (s) --------->…

Q: How many mi of 0.476 M HCI are needed to dissolve 9.32 g of Caco,? 2HCKa) + Caco,(s)- Cacly(aa) +…

A: The correct answer is given below

Q: What process is required to purify the ethanol from the fermented broth? Extraction Distillation…

A:

Q: Question 15 An unknown student takes 25.0 ml sample of an unknown weak base solution with a an…

A:

Q: Propose a mechanism to account for the following reaction: CH3 CH₂Cl H₂C AICI H₂C

A: We have to predict the mechanism for the given reaction.

Q: 3. Which process occurs in an operating voltaic cell? (1) Electrical energy is converted to chemical…

A: 1. Electrolytic cell is just reverse of voltic cell. 2. In voltic cell anode is negative and cathode…

Q: At what position, and on what ring, would you expect the following substance to undergo…

A: Aromatic electrophilic substitution reaction: Aromatic electrophilic substitution reactions are the…

Q: 19. Which of the following compounds has the LOWEST solubility in water at 25 °C? a) CH;CH;CH;OH b)…

A:

Q: 4. The americium isotope Am is unstable and emits a 5.538 MeV alpha particle. The atomic mass of Am…

A: #4: An alpha particle, He24 has 2 protons (Z = 2) and 4 unit mass. Hence when an alpha particle,…

Q: Redox Reaction Half-cell Half-cell Reaction E0oxidatio EOreductio EOredox Spontaneo us? Reaction…

A: Here we are required to find the standard cell potential of the given electrochemical reaction.

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.