A mixture of unknown base and hydrochloric acid was removed with a concentration of 0.01 normal, and the volume of the acid was at the end point (12 and 25), respectively. Determine the type of mixture and then calculate * the percentage of one of the components
Q: A neutral atom has the following electron configuration: 1s25°2p° What is the chemical symbol for th...
A: Electronic configuration is given 1s22s22p5 The total number of electron is 5+2+2= 9 electr...
Q: the limiting reagent is IS
A:
Q: Which is known as B-D-glucopyranose? I. Choice I Which is the functional isomer of B-D-glucopyranose...
A:
Q: Cellulose is a polysaccharide consisting of a linear chain of several hundred to many thousands of B...
A: Cellulose is an organic compound and polysaccharide of glucose units. The chemical formula for cellu...
Q: What does CFA's stand for in chemistry?
A: CFA's stands for - Chemical foaming Agents
Q: 8 g of potassium chloride is dissolved in a quart of distilled water. Calculate the pH value of the ...
A: pH is the negative logarithm of the hydrogen ion concentration. It is a measure of acidity or alkali...
Q: A juice concentrate was colorimetrically assayed using Nelson's test. One milliliter (1.00 mL) of th...
A: To find the reducing sugar concentration (mg/mL) in the juice concentrate ?
Q: Draw the phase diagram of CO₂ given the following: a. 1 atm at-780C b. 2 atm at-900C C. 5.2 atm at-5...
A:
Q: Please provide the details on how: a. a Sunscreen or Sun Filter ingredient's SPF is measured? b. a...
A: (a) The sun protection factor (SPF rating) is a measure of the fraction of sunburn-producing UV ra...
Q: radical polymeriza
A:
Q: 15. Find the major product of the following reaction. HBr ROOR Br Br Br Br Br III IV O IV
A:
Q: Ammonia is produced from the reaction of nitrogen and hydrogen according to the following balanced e...
A:
Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...
A:
Q: A 0.001 m solution of a weak electrolyte ionizes into 4 ions freezes at -0.06C. What is the apparent...
A: Given: Molality of weak electrolyte = 0.001 m And the freezing point of the solution = -0.06 oC
Q: A.) What is the temperature of 0.45 mol of gas at a pressure of 1.0 atm and a volume of 12.0 L ? Ex...
A: Ideal gas equation gives the relationship between pressure, volume, number of moles and temperature ...
Q: Please check if my answers and process are correct
A:
Q: After measuring the cortisol level in 30 students (see problem 1a) it is average cortisol levels mea...
A:
Q: 1. Silver has two naturally occurring isotopes with the following isotopic masses: 107 107 47 Ar 106...
A: Answer: To solve this question we have to use the relation between average atomic mass and % abundan...
Q: 11 Give the missing reactant(s), product(s) or reagent(s) ONLY (no mechanisms). (Non-anonymous quest...
A:
Q: Describe at least two methods used to measure pH.
A: Methods of measuring pH.
Q: HO H. NH2 H. HO, H2N Cephradine Cephalexin
A: R-S nomenclature: R-S nomenclature is used to determine the stereochemistry of chiral carbons of a m...
Q: For a 0.222 m aqueous solution of sucrose, C12H22O11, What is the boiling point? kb = 0.512˚C/m
A:
Q: Question 2 II Но Protein CH2OH CH;CNH B A HO II CH2OH CH,OH OH OH IV Which of the circled monosaccha...
A: A multiple choice question based on molecules that is to be accomplished.
Q: Find the molarity of 0.13g of calcium hydroxide, Ca OH)2, 33.00 mL solution
A:
Q: A chemistry graduate student is given 100. mL of a 0.50 M pyridine (CH,N) solution. Pyridine is a we...
A:
Q: 1. Name the following substituted ammonium or substituted anilinium ions. CH-CH;-NH,-CH, a. ANSWER: ...
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...
Q: Yeast, Saccharomyces cerevisiae, fermented sucrose faster than glucose and fructose. Why? and why wa...
A:
Q: Which is the stronger acid? A OR B? SEE THE PICTURE BELOW
A:
Q: A neutral atom has the following electron configuration: 1s 2s 2p°3s²3p' How many electrons does the...
A: A neutral atom is the atom carrying no charge. It will become an ion after losing and gaining electr...
Q: What is the IUPAC name and type of isomer of the compound given below?
A: The above compound can be represented as :
Q: Suppose a 0.33M aqueous solution of oxalic acid (H,C,O4) is prepared. Calculate the equilibrium mola...
A: Given: Concentration of H2C2O4 = 0.33 M Ka1 of H2C2O4 = 5.9 × 10-2 Ka2 of H2C2O4 = 5.2 × 10-5
Q: 3b-ii: In the mass spectrum of a hydrocarbon, the relative intensity of is measured the monoisotopic...
A:
Q: HO CH,OH CH;ČNH Protein II CH,OH HO CH,OH OH IV Is the antigenic determinant reducing or non-reducin...
A: The reducing sugars are sugars that acts as reducing agent and reduces other species. The sugars ...
Q: Classify the following molecules as polar or non-polar (write below the chemical formula in the firs...
A: A question based on molecules that is to be accomplished.
Q: 1. Write the equilibrium expression and identify the specific equilibrium constant symbol possible, ...
A: In equilibrium expression pure solid and pure liquid do not appear because their activity is taken a...
Q: (1) What is the half-life for the reaction starting at t = 0 s? s What is the half-life for the reac...
A: (1) Half-life is the time taken for consumption of half of the substance. Starting t=o s, the concen...
Q: A neutral atom has the following electron configuration: 1s 25 2p°3s*3p² 6. What is the chemical sym...
A: Given configuration is : 1s22s22p63s23p2 The configuration belongs to neutral atom and for neutral...
Q: 3.4: Metathesis reactions. Describe any reactions observed. Identify 2nd Reactant 1.0M Naci 4.OM HGI...
A:
Q: Determine the atomic and mass ratio of NaCl and calculate how many grams of Na is needed to make a 1...
A:
Q: Balance each of the following chemical equations. (Use the lowest possible coefficients for all reac...
A: Balanced reaction is the reaction in which number of atoms are equal on reactant as well as product ...
Q: How many molecules of NaOH are present in 200 ml of the 20% (...
A:
Q: Hemoglobin is a large molecule that carries oxygen in human blood. A water solution that contains 0....
A: Osmotic pressure = concentration × gas constant× temperature...
Q: H H3C, „H H YCH2CH3 ČH3 A
A:
Q: A juice concentrate was colorimetrically assayed using Nelson's test. One milliliter (1.00 mL) of th...
A: To determine the reducing sugar concentration (mg/mL) in the juice concentration.
Q: Calculate osmotic pressure for 0.10 M Na3PO4 at 20°C
A: Answer: Osmotic pressure is the pressure, that is required to be applied on the solution side stop t...
Q: Write the hydrolytic reaction and equilibrium expression, corresponding to the second ionization, Ka...
A: The equilibrium expression for citric acid has been provided.
Q: A. Classify the following molecules as polar or non-polar (write below the chemical formula in the f...
A: The number of electron pairs around the central atom decides its electron geometry. If the number of...
Q: 13. For a radical reaction, put the following steps in the correct order: 1.Initiation 2.Propagation...
A:
Q: Use the References to access important values if needed for this question. What volume of nitrogen g...
A:
Q: Flammable liquids burn only when their vapor is mixed with air in the appropriate concentration. Whe...
A: We have to tell which option is correct from given choices of options by telling what must to be don...
Step by step
Solved in 2 steps
- a) What percent of X can be extracted with 100 mL hexane? b) What will be the percent X remaining in water after extraction with four batches of 25 mL hexane? c) Using 100 mL water sample and portions of 25 mL hexane, determine the minimum number of extractions to obtain an efficiency of approximately 99 % Show solution and explanation.Calculate the percent error in Avogadro's number calculated by using the following experimental data. Pipette calibrated as 30 drops/mlDiameter of the watch glas:15.5 cmNumber of drops to complete monolayer:23Concentration of stearic acid solution: 1.2x 10^-4g/ml.Please determine how to make a working standard Solution of about 0.010mg/mL. Caffeine will be the active. Diluent will be water.
- What weight of the soda ash (impure Na2CO3) should be taken for analysis in order that the number of milliliters of 0.500 N acid used will be equal to one-half of the percentage of Na2CO3 in the sample? Note: Please include the complete solution. Thanks!I'm working on an Organic Chemistry lab for recrystallization. I recorded the range of temperature of the mixture being dissolved from beginning to end. I also have the melting range from the MEL-TEMP melting point apparatus. Can you explain to me what the melting point depression and range is?A clear line came on the keyboard, and the solution is detailed with an explanation
- Calculate the diesel index of the sample that its aniline point is 104°F and thedensity is 0.86 g/ml.Why is there a need to correct conductivity of the sample solution? Cite three possible sources of error in the experiment and discuss their effects on the computed ionization constant ofthe acetic acid. What is the effect of dilution on the fraction of the acetic acid ionized?Calculate the gravimetric factor of: FeO in Fe2O3 Bi2S3 in BaSO4 BaSO4 in (NH4)2SO4 Mn2O3 in Mn3O4 NOTE: Present complete solution and include the detailed computation of the molecular weight. Express your final answers up to FOUR decimal places.
- Show complete handwritten solution For faradday constany use 96485need this answer in detail. don't copy elsewhere I will downvote . A separation of the mixture of substances X and Y is carried out by extraction of Craig using an organic solvent of the same volume. What is the dissolved Y fraction in the 18th tube after 24 times of removal if Dy = 5 is knownSilica gel (stationary phase) can potentially interact with analytes by what intermolecular forces?