Describe how to mix up a buffer. Dissolve 1.20g of sodium dihydrogen phosphate and 0.885g of disidium hydrogen phosphate in 1 liter volume distilled water. For pH= 4.00 : Add 0.1 ml of 0.1 molar NaOH to 50 ml of 0.1 molar potassium hydrogen phthalate .

Q: (Q111) In the next step of the neptunium-237 decay series, very unstable francium-221 is produced.…

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Q: gravity filtration

A: Gravity filtration – Gravity filtration is a method in which most of the work is dependent on…

Q: how can a laptop considered as organic or inorganic compound?

A: ORGANIC AND INORGANIC COMPOUNDS

Q: Above what temperature does the following reaction become nonspontaneous?         2 H2S(g) + 3…

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Q: Zn(OH)2 has a Ksp of 4.5 x 10-17. If you have a solution of Zn(OH)2 that has a hydroxide ion…

A: Given :  Ksp = 4.5 x 10-17  [OH-] = 4.6 x 10-6 mol/L

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Q: A certain metal M forms a soluble nitrate salt MNO3. Suppose the left half cell of a galvanic cell…

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Q: INFRARED SPECTRUM PO Elemental Analysis: C, 79.98; H, 4.79; 0,15.22 100 Molecule #8

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Q: 1 1 1 1 1 CHEMISTRY Accuracy and Precision Look carefully at the measurements. Decide if the…

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A: Hemiacetals are formed due to nucleophilic addition reaction of alcohol to aldehydes. Hemiacetal can…

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A: A. Nitrile group is -CN cyano group which under acidic hydrolysis gives carboxylic acid, -COOH.  B.…

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A: In the given question we have to choose the compound which exhibit only London dispersion…

Q: 3 7 5 6 3 4 ACROSS 1- light nuclei fuse together to form to a heavier nucleus 2- subatomic particle…

A: ACROSS 1) NUCLEAR FUSION When two small, light nuclei meet and fuse together to form a heavier…

Q: (i) With mechanistic explanation, predict the product of the following reaction. CI CI CI excess H₂N

A: As per the rules only first question can be answered.

Q: QUESTION 4 Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are…

A: Higher is the pka lower is the ka value so weak acid.

Q: A COOH COOH B COOH C 200 °C COOH 호 COOH D

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Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction 2 H₂O(1)+2e…

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Q: Above what temperature does the following reaction become nonspontaneous?         2 H2S(g) + 3…

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Q: Hexane is a colourless liquid with a characteristic smell that reacts with chlorine gas in the…

A: Hexane is a colourless liquid with a characteristic smell that reacts with chlorine gas in the…

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Q: what types of compounds are generally used as fuels? why?

A: Fuels are organic compounds which generally burns and produce carbon dioxide,water and heat .h

Q: Describe gasfication

A: GASIFICATION:

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Q: A rationale for a question: Can pure aspirin be produced in a college laboratory ?

A: Please find the attachment.

Q: Explain the differences between saturated and unsaturated hydrocarbons. (In few words)

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Q: Question: please provide reagents and products. give synthesis for one PET PROJECT 3 OCH3 CH₁203…

A: Organic transformation:

Q: Dicarboxylic acids have two pKa's. -  For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

A: Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

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Q: nisd.net/common-asses NaCl and SiO₂ Type of Matter: Property: Technique: SiO₂ Type of Matter: Fe…

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Q: Place a pinch of Sodium chloride on a teaspoon. Heat and note the time it takes to melt it. If after…

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Q: Q4: A: Calculate the average of (number, weight, and viscosity) of molecular weight, Dp for…

A: The mid-point of the histogram in the given chart is used for the molecular weight.

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Q: Provide a retrosynthetic analysis and a synthesis of amino acid D, using 3- chlorobenzaldehyde as…

A: Please find the attachment.

Q: Difference between multimolecular colloids and macromolecular colloids.

A: Colloid is a mixture of two or more substances that are mixed together but not chemically combined.

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A: Pericyclic reactions are those in which reaction takes place in presence of heat or light.

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.