The k of water is 1.86 kg °C/mol, approximately 4x the value of k,. If you attempted to freeze your 1.3m solution, how do you think the freezing point of water would be impacted?

Q: how much copper ion remains at equilibrium?

A:

Q: The Ksp of lanthanum fluoride, LaF3, is 2.00 × 10-19. Calculate the molar solubility, x, of this…

A: Step 1: The maximum amount of substance that can dissolve in a given amount of solvent is…

Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)

A: Molarity is the number of moles of solute per litre of solution.

Q: A beaker with 1.40x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The…

A:

Q: You are given a solution of 0.117 M NaOH solution.  You need to neutralize 10.00 mL of the NaOH…

A: In order to calculate the molarity of potassium hydrogen phosphate, KHP, we either follow a direct…

Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=

A: Beer-Lambert law states a linear relationship between concentration and absorbance. When…

Q: calculate the pH of a 0.10M solution of formic acid. the Ka of formic acid is 1.8x10^-4

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Q: The substance oxygen has the following properties: normal melting point: 54.8 K normal boiling…

A: There are three most common states of matter: solid, liquids, and gases. These states of matter can…

Q: 1) A solution is made by combining 128 mL of ethanol and 0.452 L of water. In this solution, what is…

A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering only the…

Q: How many grams of calcium chloride (CaCl2; molecular weight = 111 g mole−1) would you dissolve in…

A: A chemical solution is made up of a solute and solvent such as the salt solution containing salt as…

Q: If you have a sugar with a molecular weight of 315 g/mol, how many grams would you need to add to…

A: Given the molecular weight of sugar is 315g/mol. The volume of the solution is 487 mL and its…

Q: If the pH of a voledronic acid solution is 5.8, and the voledronate concentration is 9 mM, what is…

A: Henderson Hasselbalch equation can be used to determine the concentration of a weak acid in an…

Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…

A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…

Q: alculate the concentration in mmol/L of the chemist's aluminum sulfite solution. Be sure your answer…

A: Molarity It is defined as the number of moles of a substance dissolved in 1 litre of a solution.…

Q: How many grams of NaOH would you need to make 7,252 mL of a 230 mM NaOH solution (m.w. = 40.00…

A: Answer- Here molarity of the solution is provided and requires the amount of weight of NaoH.

Q: A buffer that contains 0.132 M acid, HY, and 0.204 M of its conjugate base, Y, has a pH of 8.87.…

A: Step 1:Henderson-Hasselbalch equation ispH = pKa + log [HY][Y−]​...(1)  Given, pH = 8.87[HY] = 0.132…

Q: 50X TBE is 87 mM Tris-borate and 4 mM EDTA at pH 8.3. What is the molarity of each of the chemicals…

A: Given In 50X TBE  87 mM tris-borate  4 mM EDTA pH 8.3

Q: föllowing would dispersion forces be the most important factor in determining physical properties in…

A: The London dispersion forces are defined as the weakest existing intermolecular forces. It is a…

Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA.  You have stock…

A: BSA is a globular proteins which is a well studied proteins and used as standard protein molecule in…

Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…

A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…

Q: Determine the mass of baking soda (84 g/mol) needed to completely react with 531mL of vinegar.…

A: Acid and base react to produce salt and water. In some reactions, gas may also be released (hydrogen…

Q: What is the pH of a buffer that contains 0.9 M ammonia and 0.3 M ammonium ion? (Ka for ammonium ion…

A: The objective of this question is to calculate the pH of a buffer solution containing ammonia and…

Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?

A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…

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: A buffer solution contains an equal concentration of weak acid HX and its conjugate base ion X™. The…

A: The objective of the question is to calculate the pH of a buffer solution containing equal…

Q: A 100.0 mL sample of 0.200 M aqueous hydrochloric acid is added to 100.0 ml of 0.200 M aqueous…

A: Step 1: Given the information:Two solutions are mixed:HCl(aq) + NH3(aq) → NH4Cl(aq)Volume of…

Q: What kind of buffer would you make with a optimal activity at ph 4.30?

A: A buffer is defined as an aqueous solution that has a mixture of a weak acid and its conjugate base…

Q: How many grams of potassium chlorate decompose to potassium chloride and 660. mL of O2 at 128. °C…

A: Step 1:  Step 2: Step 3: Step 4:

Q: What is the boiling point of 0.800 m lactose in water? (Kb for water is 0.512°C/m) °C

A: The boiling point is defined as the temperature at which the vapour pressure of a liquid is equal to…