Soap can differentiate between hard water and soft water. Which of the following will form a solid (scum) at the bottom of the container after shaking? O NaCI + soap + water O NaCO3 + soap + water O CaCO3 + soap + water

Q: 3. The solubility of KNO3 in water at 0°C and 60°C are 13.9 g/100 g and 106.0 g/100 g, respectively.…

A: We would Calculate amount of KNO3 that would remain dissolved in 75 g water at 0°C using solubility…

Q: Types of Intermolecular Forces Made When Liquids are Mixed\ What type of bonds can form when you mix…

A: Given: Hexane CH3CH2CH2CH2CH2CH3Pentane CH3CH2CH2CH2CH3

Q: each

A: Solute : small quantity then others called solute.  Solvent : Larger quantity then others called…

Q: 8 Classify each compound based on its properties Substance Melting Point Solubility Conductivity…

A:

Q: Describe ionic liquids and their solutions with examples?

A: An ionic liquid (IL) is a salt in the liquid state. These salts has melting point below some…

Q: The solubility of KCl at 20°C is 34.0 g per 100.0 g of water. What is the maximum amount (in grams)…

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…

Q: For each of the following pairs of substances, select the one that is expected to produce a solution…

A: Generally strong electrolyte will break into its respective ions which move freely when dissolved in…

Q: is 25 mL of water and 5 mL of mineral oil—the resulting mixture is cloudy and gradually separates…

A: 25 mL of water and 5 mL of mineral oil the resulting mixture is cloudy and gradually separates into…

Q: You are given a small beaker of solution at room temperature. You add a bit of solute to the…

A: An unsaturated solution is the one in which solution can be dissolved at constant temperature,

Q: Table salt is soluble in water. O True O False

A: The above statement is true. Sodium chloride ( NaCl)  is known as table salt.Table salt, or sodium…

Q: What is the volume (mL) of a 12.0 M HCI solution that contains 3.60 moles of HCI? O 450. mL O 333 mL…

A: Given: The molarity of the HCl=12 M. The number of moles of HCl=3.60 mol

Q: The water in a certain pool has a concentration of 3.38 mg/L of Fe^3+ ions. Express this value as…

A: Given  Concentration of Fe3+ = 3.38 mg/L Concentration in parts per billion =?

Q: 1. If 7.5 g. of NaNO3 is dissolved in 85 ml. of water, what is the % concentration of NaNO3 in the…

A:

Q: Classify each compound as a strong electrolyte or nonelectrolyte.a. MgBr2…

A: Each compound as a strong electrolyte or nonelectrolyte has to be classified

Q: How many grams of NaOH are needed to prepare (2.0 L) of (1.5 M) NaOH solution? Na=23 O=16 H=1

A: Given datas ; Volume of Soln (V)  = 2.0 L Concentration or Molarity of the soln   (M) = 1.5 M So,…

Q: Which solution is placed inside the buret? NaOH O vinegar O water OKHP

A: Which solution is placed inside the buret?

Q: From the following formula, calculate the quantity of lanolin required to prepare 10 ointment tubes…

A: To determine the quantity of lanolin required to prepare 10 ointment tubes

Q: Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCl in drinking water is…

A: Moles of NaCl in 1L of 0.6M water = Volume × molarity = 0.06 moles.Mass of sodium = Moles × molar…

Q: Which of the following would be soluble in water? O LiBr, Nal, HBr O CH;G KOH, CH O Sugar, HNO,…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: If you take 1 teaspoon of salt and dissolve in 1 cup of water, what would look like? Sketch in…

A: Table salt (NaCl) dissolved in water. NaCl is an electrolyte Does not conduct electricity in solid…

Q: In each of the following solutions (homo genous mixtures) identify one possible solute and the…

A: in sea water NaCl - as Solute H2O - as Solvent B- Air Dust Particle as Solute and Gases as Solvent…

Q: Consider a 1.0 mol/L CH3OH(aq) solution. What properties would this solution have? | It would turn…

A:

Q: g of magnesium nitrate is dissolved in 1.20 L of water. 25 mL of this solution is taken and diluted…

A:

Q: Given equimolar amounts of these solids in separate beakers of distilled water, which one would…

A:

Q: The solubility of KCI in water is @ 344 g/L. What would be the best method for preparing a 100 mL…

A: A question based on solutions that is to be accomplished.

Q: Match the following terms with the deTinitions A. homogeneous mixture of solute(s) and solvent B.…

A: The answer to the following question

Q: What volume of 12 M HCI is required to prepare 16 L of 0.25 M HCI? 250 mL 333 mL 768 mL 585 mL O 130…

A:

Q: Calculate the molarity of Na2S2O3 if 41.22 ml is equivalent to 37.84 ml I2 solution, 35.62 ml of…

A:

Q: Water Molecule (0) Hydration Shelle Salt Cryatal (NaCI) Solution Why is water called the "Uni…

A: Universal solvent is that solvent which dissolved maximum substance in it is known as universal…

Q: If you add 250 ml of water to 250 ml of a 1.4M NaOH solution, what will the molarity of the diluted…

A:

Q: n impure sample contains 0.78 g of impurities and 4.95 g of benzoic acid.  The sample is dissolved…

A: Grams of the impurity that will crystallize out when the solution has cooled = 0.17 g

Q: 3) We prepared alum crystals in the lab by dissolving 24.0 g of alum in 100. g of water. If you only…

A:

Q: 4. The oxygen atom of water is covalently bonded with the two hydrogen atoms in a water molecule. 5.…

A: Given,

Q: What are the concentrations of chemicals interest to water treatment and potable water supply…

A: The process in which the quality of water improves to make it a appropriate use is known as water…

Q: A dilute aqueous solution containing 1 ppm of solute has a density of 1.00 g/mL. Express the…

A: Concentration is equal to the ratio of the number of moles to the volume of solution. The…

Q: SrCl2•6H2O Percent water in the hydrated salt.

A: The formula of the hydrated salt is = SrCl2•6H2O The percent of water in the salt is =?

Q: The average salt content of seawater is equivalent to 0.599 M NaCI (density What is the…

A: To solve this problem we will use formula to calculate ppm concentration, Molarity , Molality and…

Q: If 20.1408 g of KNO, (MM = 101.10 g/mol) is dissolved in 15.06 mL of water at 66.8°C (Density(H,O)…

A: Answer: Solubility of a compound in water at a particular temperature is the maximum amount of…

Q: How many grams of sulfur (S8) must be dissolved in 100.0 g naphthalene (C10H8) to make a 0.12 m…

A:

Q: What is the mass percent of an ammonium carbonate solution prepared by dissolving 33.2 grams of…

A: Mass percent is amount of solute present in 100 g of solution  Mass percent % = solute (g) /…

Q: 10. A physician orders magnesium sulfate to be administered at a rate of 2 g/h to a patient…

A: The solution given here is 500 ml of 2% magnesium sulphate.2% solution means 2g of MgSo4 is present…

Q: The EPA (Environmental Protection Agency) currently limits the concentration of fluoride in drinking…

A: ppm means parts per milliion

Q: A solution prepared by mixing 35 g of NaCl and 100. g of water has a mass percent concentration of…

A:

Q: You are doing an experiment with two flasks connected with a stopcock. Flask #1 has a volume of 2.8…

A:

Q: A 6.42% (w/w) Fe(NO3)3 (241.81 g/mol) solution has a density of 1.059 g/mL. Calculate the molar…

A: Two numerical problems based on the concept of solutions, which are to be accomplished.

Q: explain the term saturated, unsaturated, and supersaturated using the analogy of a classroom where…

A: The terms saturated , unsaturated, supersaturated are used to designate the amount of solute over…

Q: How much of Earth's water is stored in the oceans? 3% 50% O 70% 97%

A: The ocean holds about 97 percent of the Earth's water; the remaining three percent is found in…

Q: At 20°C, acetaminophen has a solubility of about 1.5 g/100 mL in water. If you recrystallize 5.00g…

A: Given: Solubility of acetaminophen in water = 1.5 g/100 mL of water = 0.015 g/mL of water. Mass of…

Q: solution of Ca(NO3)2 at 1.903 M is diluted from its original volume of 0.7865 L by adding 0.6115 L.…

A: Given that: Initial concentration(M1) = 1.903M Initial volume(V1) = 0.7865L Final volume(V2) =…