Which of the following is the most diluted concentration?   -0.00005 ppm -500.0x10⁻⁴ ppm -5.0 x 10³ ppb -0.5 ppb

Q: How many atoms of Cl are there in 17.34 μg of CaCl2?

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Q: Outline a mechanism for the following reaction: CH3 CH3 CH3 CH3 NaNH2 NH2 NH3, 350°C `NH2 NH2

A: Mechanism of the reaction. 

Q: identify the most polar part(s) of the molecul

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Q: Propyl amine can be prepared from the reaction of Ammonia and 1 point Propyl bromide Propanone Propa...

A: 1. Propyl bromide 2. a and b 3. Lone pair in N  

Q: the end reversible process. What IR bands would you want to follow if you needed to monitor corbonu ...

A: Given that, a natural process of in which nicotinamide adenine dinucleotide (NAD+) used to oxidise a...

Q: 1. The instrumental signal from pesticide X in an unknown is 185.6 µA. When 25.0 mL of 0.0325 M pest...

A: Let the molar concentration of X in the unknown sample be 'a'.  

Q: HO OCH3 но ОН A В ОН HO ОН РО D E

A: ->Hemiacetal is when one OH and one H , one OR  is present at same carbon  ->Acetal is when no...

Q: A chemist went on a trip to Zambales to obtain a sample of chalcocite (copper (I) sulfide), one of t...

A: Answer: This question is based on the stoichiometry calculation where we have to convert the number ...

Q: Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone) and 2,...

A: Given: Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone)...

Q: Draw the name and constitutional isomers for the compound with molecular formula of a) C5H12 b) C5H1...

A: Constitutional isomers ( structural isomers) are compounds having the same molecular formula but dif...

Q: CH, CH, CH, CH,CH,

A: Answer: It is homocyclic compound with only single bonds present in the ring.

Q: How much heat energy does 50.0 grams of water absorb if it’s temperature goes from 22.0 Celsius to 2...

A: Answer: Given data Mass of water m=50.0g Rise in temperature of water ∆T=(25.3-22)°C∆T=3.3°C

Q: Using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) + H,O(g...

A: CO(g) + H2O(g) ---> CO2(g) + H2(g) The values of standard enthalpy of formation not given in ques...

Q: 4. Consider the following reaction mechanism and answer the questions. H-Br CH2 -CH3 -CH3 Br -CH3 Br...

A: Here we have to explain thermodynamic and kinetically controlled product obtained when the given con...

Q: 2. One mole of H* is always neutralized by mole of OH-.

A: -> If water form from combination of ions  then it is neutralization .  

Q: What will be the final volume of a solution prepared by diluting 28.6 mL of 8.05 M sodium hydroxide ...

A: Detail mathematical calculation is shown below

Q: Write resonance structures for 2-aminothiazole and explain what other by-products might be formed in...

A:

Q: why very low concentrations? are ionic solutions not ideal even at

A: An ideal solution is one which obeys Rault's law at any temperature and concentration. Here we have ...

Q: The following are some normal modes of vibration for several molecules. In each case: • Determine th...

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Q: Mobility of H+ ions is 7.0 times greater than the mobility of Na+ ions, which have the mobility of 5...

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Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 77.78 g/mol and ...

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Q: Calculate the molar solubility of AgBr in 0.035 M NaBr (K sp =5*10^ -13 )

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Q: a. Name the following compounds according to systematic and common nomenclature. N. N-CH3 N. 18 19 2...

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Q: How many grams of NaF (41.98817 g/mol) would have to be added to 2.00 L of 0.100 M HF (20.01 g/mol) ...

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Q: a. What is the over-all order with respect to SOo and 0,? b. Write the rate law equation for this re...

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Q: Give the numbers of peptide bond present in given structure, structure is given at pH 10.5,  find th...

A: The CO- NH bond is called peptide bond. A peptide bond connects two Amino acid units. Amino acid con...

Q: (a) What concentration of Aso, is necessary to begin precipitation? (Neglect volume changes.) [Aso,]...

A:                              [Cu2+] = 0.0835 M                                [Ag+] = 0.000958 M    ...

Q: ·How many grams of Calcium will it take to replace 1 gram of Hydrogen?

A:

Q: 8. Assume that the following exchangeable cations are present in a 25 gram sample of a soil Cation С...

A: CEC of soil means the cation exchange capacity of soil CEC of soil = sum of the milliequivalents of ...

Q: How many unpaired electrons does an excited atom of carbon have? 5 How many unpaired electrons does ...

A: Answer: These questions are based on the general understanding of electronic configuration of carbon...

Q: The following test data were obtained for an aqueous solution of calcium chloride. Mass of empty 100...

A: Given,  The Mass of empty 100-mL graduated cylinder=36.2 g             nn                          T...

Q: Why is important to dry a primary standard to a constant mass ?

A: A primary standard is a reference chemical used to measure an unknown concentration of another known...

Q: plalh the difference between the split and splitless mode of operation in a GO jector. Consider prop...

A:

Q: Mark and John, two vinegar enthusiasts, are each tasked to determine the acetic acid content of thei...

A: Titration analysis [Here KOH is the standardized titrant that has been first standardized using KHP]

Q: D Question 7 Determine the pH of a 1.05 M HN3 solution (pK, = 4.63). Write your answers to two decim...

A:

Q: Explain the bond formation between NH3 and Ni2+ in terms of Lewis acid-base theory.

A: To explain: The bond formation between NH3 and Ni2+.  

Q: What is the mass in grams of silver chloride produced from 30.00 ml of 14.5M magnesium chloride? 2Ag...

A: The balance chemical reaction :  2AgNO3 + MgCl2  ----> Mg(NO3)2 + 2AgCl  Volume of magnesium chlo...

Q: titrates 130.0 ml of a 0.7480M dımethylamıne ((CH,) NH) solution with 0.3502 M HCI solution at 25 °C...

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Q: What mass of NANO, should be dissolved in 45 mL of water so that the resulting solution freezes to -...

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Q: What is the percent by mass-volume of a solution that is made by mixing 0.06 kg of lodine in enough ...

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Q: Of the following atoms, which has the largest first ionization energy O a) Br O b) O c) C O d) P O e...

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Q: Calculate the pH at the halfway point and at the equivalence point for each of the following titrati...

A: Answer: For the first two solutions, pH at the halfway point will be the pH of the buffer solution a...

Q: NH2 NHCH3 ОН NHČCH, OCGH5 OH A B C E F Br 4. Rank the reactions above (question 3) in order of incre...

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Q: please write funtional group and iupac name, u can look at example

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Q: In performing an experiment on freezing point depression, the solution was prepared by dissolving 2....

A: Answer: This question is based on the colligative properties of solution in which on adding non-vola...

Q: What ratio of NaCN to HCN is needed to prepare a pH 9.80 buffer? (Ka of HCN is 4.9 × 10⁻¹⁰)

A: Given data is as follows: The pH of the buffer solution = 9.80 The Ka of HCN = 4.9×10-10 The ratio o...

Q: Calculate the pH of a buffer solution prepared by mixing 25 mL of 0.5 M lactic acid and 75 mL of 1.0...

A: Buffer solution  buffer solution is a solution that only changes slightly when an acid or a base is ...

Q: он C,H,

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Q: A sample containing both HCl (FW 36.45) and HNO3 (FW 62.98) had a density of 1.083 g/mL. A 10.00-mL ...

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Q: Benzyl acetate is one of the active components of oil of jasmine. If 0.125 g of the compound is adde...

A:

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.