How can an ion-exchange column separate both anions and cations
Q: What happens when a pressure greater than the atmospheric pressure is applied to pure water or a…
A:
Q: Does the H+ concentration increase or decrease when the pH drops from 5 to 4?
A: pH is the unit to measure the acidity or basicity . it is given by negative log of hydrogen ion…
Q: What us the formula for pH? note [H+} is hydrogen ion concentration and [K+] is potassium ion…
A: Introduction pH is a measuring scale which is used to determine acidity or basicity of a solution.…
Q: A solution with a pH of 6 has a ____ difference in H ion concentration than a solution with a pH of…
A: pH is chemical scale that specifies the acid or basic strength of a solution. Pure water has a pH of…
Q: What are the two components of a buffer system? How does a buffer work to hold pH nearly constant?
A: Buffer is an aqueous solution consisting of a weak acid or a base and its conjugate base or an acid.…
Q: What must be added to pure water to decrease the OH- concentration? To decrease the H+…
A: When the concentration H+ and OH- ions are equal, the concentration of each is 10-7 M or molar, and…
Q: What is the pH of a solution that has an H¯ concentration of 1.75 x 10° mol/L
A: pH is the measure of the acidity or basicity of a medium. It is measured as the negative logarithm…
Q: How is oxygen dissolved in water?
A: Water is polar molecule and oxygen is non polar molecules in which electron density is normally…
Q: What is the pH of the buffer 0.17 M Na2HPO4/0.25 M KH2PO4?
A: Buffer is the mixture of strong acid and salt of that acid (base). If we add either strong acids or…
Q: Which solution is more acidic, one with a pH of 4 or a pH of 5? What is the concentration of H+ ions…
A: The pH is the power of Hydrogen and is used as a measure of the acidic or basic character of a…
Q: Why does buffers is significant inside a human body?
A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…
Q: Indicate the ionic species of phosphoric acid that predominates at pH 4, 8, and 11.
A: The acids are the molecules which donates hydrogen ions or accepts hydroxide ions when present in…
Q: Describe ionization and distinguish between anions and cations.
A: Ion, is any atom or group of atoms with electric charges positive or negative.
Q: what is a hydration number
A: Hydration refers to the interaction of a molecule or substance with water. Water interacts with…
Q: How to measure the mass-to-charge (m/z) ratio of the different ions in a sample ?
A: An ion is defined as charge molecule or atom.
Q: What factors can make a compound called as a salt? Specifywhich of the following compounds are…
A: An ionic compound made up of cation from the base wheras an anion from the acid are the factors that…
Q: How do hydrogen ions relate to the pH scale?
A: The pH scale varies from 0 to 14, with 0 being the most acidic and 14 being the most alkaline. The…
Q: How does an electrolyte differ from a nonelectrolyte?
A: Electrolytes and nonelectrolytes are classified on the basis of conductive nature ( ability to…
Q: What is the pH of a 0.0032 M solution of NaOH?
A: pH is a scale which is used to specify the acidity or basicity of an aqueous solution. The pH scale…
Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?
A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…
Q: Which of the following ionizes completely in solution and is considered to be a strong acid? Select…
A: Acid Acid are those compounds which give hydrogen ion when dissolved in water.
Q: What is the ratio of concentrations of acetate ion and undissociated acetic acid in a solution that…
A: pH is a measure of the hydrogen ion concentration in a given solution. It is scale and the value…
Q: Why do we want to know the pH?
A: pH is defined as the quantitative measure of the acidity or basicity of aqueous or other liquid…
Q: What are weak electrostatic bonds that result in a partial sharing of hydrogen atoms between…
A: A hydrogen bond is an electrostatic attraction between a proton in one molecule and an…
Q: Which mixture acts as buffer solutions? O 50 ml 0.1M H2CO3 and 100 ml 0.1M NAOH 100 ml 0.1M H2CO3…
A: A buffer solution is composed of a weak acid and its conjugate base. The buffer solution resists the…
Q: Are there any H3O+ ions present in pure water at neutral pH (i.e., at pH = 7.0)? If so, how are they…
A: Pure water is also referred as either the distilled water or deionized water. In the distilled…
Q: what does ph mean
A: We have to define pH.
Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?
A: Hydrobromic acid, HBr is an extremely strong acid, one that ionizes completely ionizes completely…
Q: How is the molality of a solution different from its molarity?
A: A solution is composed of solute and solvent. The relative amount of solute and solvent present in a…
Q: why do the sodium ion and the chloride ion form a bond?
A: The two types of bonds which usually forms between atoms are 1) Ionic bond 2) Covalent bond
Q: Does the ph of NaOH increase, decrease, or have no change when added to water?
A: The term pH refers to the hydrogen potential. It decides whether a solution is acidic or basic. The…
Q: why is the different pH value of tap water and rainwater?
A: pH pH is a scale of measurement, which indicates the nature of a solution (acidic, basic or neutral)…
Q: What is the pH of a 7.5 × 10⁻⁴ M CsOH solution?
A: Introduction: pH is an indicator which is used to differentiate whether the solution is acidic or…
Q: Why does a lower salinity of water increase the solubility of gas?
A: Factors which influence the solubility of a gas in water are as follows: Temperature decreases…
Q: What is meant, in terms of concentration of H+ and OH- ions, if we say a solution has a neutral pH?
A: pH is defined as negative logarithm of hydrogen ion concentration in a medium. pH is the measure of…
Q: A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion…
A: Given Values: [H+] = 0.01 Mol/L = 1×10-2 M pH is a measure of negative logarithm of hydrogen ion…
Q: What is the concentration in % (w/w), of a solution prepared by mixing 50.0 g NaCl and 150.0 g…
A: The weight by weight percentage of 50.0 g of NaCl in 150.0 g of water = (weight of NaCl/ weight of…
Q: Should I add acid to water or water to acid?
A: When u mix acid(especially strong acid) and water,it makes a huge difference whether you are adding…
Q: what is the pH of a solution with a H+ concentration of 1.44 x 10-3 M
A: pH is the potential of hydrogen.pH is a way of measurement of acidity or alkalinity.It measures the…
Q: The H⁺ concentration in an aqueous solution at 25 °C is 4.3 × 10⁻⁶. What is [OH⁻]?
A: Hydrogen ion concentration [H+] of a solution is expressed in terms of pH. pH is the negative log of…
Q: If a solution has a pH of 1, how many more H+ are present than in a solution with a pH of 4?
A: pH is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions have…
Q: If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the…
A: Given Values: Weight of NaOH = 9 gVolume of the water to be mixed with 9 g NaOH= 90 ml
Q: If a solution has a concentration of 10^-7 OH ions, how many H ions does it have?
A: pH is chemical scale that specifies the acid or basic strength of a solution. Pure water has a pH of…
Q: Why are buffers important in living systems?
A: Many biochemical processes require the maintenance of pH within a narrow range for proceeding at the…
Q: Are naturally occurring pH buffers present in living organisms?
A: pH refers to the hydrogen ion (H+) concentration in a solution. The pH scale ranges between 0 to 14…
Q: What compounds tend to be non-electrolytes? What are the exceptions?
A: A substance that dissolves in water is classified according to whether they yield molecules or ions…
How can an ion-exchange column separate both anions and cations
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- What is the percentage concentration of HNO3 if 25grams of HNO3 is dissolved in enough water to make 1 liter of solution?What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?If there is an increase in the hydrogen ion concentration from 38 nmol.l-1 to 82 nmol.l-1, what does the pH change from and to?