Solid particles in water may exist in 3 ways - dissolved, dispersed, or suspended. (True/False) When a previously dissolved solid separates from water either via chemical reaction or a change in certain condition like pH or temperature, it forms a______.

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: Graphically find the concentration in ppm and then calculate in mol/L of Soda #1 and Soda #2?

A: Caffeine Std (ppm) Absorbance (270 nm) 1 0.179 2 0.39 3 0.673 4 0.787     Soda #1 0.233…

Q: A student dissolves 20. g of aniline (CH,NH,) in 500. mL of a solvent with a density of 0.83 g/mL.…

A: Given :- mass of aniline = 20.g  Volume of solvent = 500.mL  Density of solvent = 0.83 g/mL  To…

Q: The toxicity of DDT (C14H9CI5) led to a ban on its use in the United States in 1972. Determinations…

A: Molecular formula of DDT - C14H9Cl5 Molecular Mass of DDT - 354.49 g/mol Number of moles = mass of…

Q: A cube of table salt (NaCl) has an acceleration of 2 m/s2 when a force of 6 newtons is applied to…

A: Given: Formula: Or To find: Molarity in mol/L

Q: A calibration curve of ZnCl2 conductivity (y-axis) vs concentration (mass percent, x-axis) is made.…

A: In the linear regression plot, the X-axis represents the mass percent of ZnCl2. The Y-axis…

Q: 100 90 80 NANO3 70 60 Pb(NO3)2 50 40 KCI NaCl 30 20 KCIO3 10 Ce;(SO4)3 10 20 30 40 50 60 70 80 90 10…

A: The solubility curve given is, Given: Mass of KClO3 dissolved = 40.0 g. And mass of water = 50.0 g.…

Q: 2. A solution is prepared by dissolving 10.44 g of NaCl in enough water to make 500.0 mL of…

A: 1 parts per million (ppm) is equivalent to 1 mg/L. Expressing the given concentration in mg/L: 500…

Q: If you dissolve 450mg glucose (formula weight: 180.16 g/mole) in 49.5mL of water (all answers must…

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Q: The concentration of Br" in a sample of seawater is 8.3 x 104 M. If a liter of seawater has a mass…

A: ppm of Bromine ions in sea water is equal to grams of Bromine ions in 1000000 grams of sea water.

Q: A sample of potassium bicarbonate (KHCO3) was reacted with HCl to produce KCl. The followin data was…

A: The balanced chemical equation for the reaction between HCl and KHCO3 is:

Q: A glucose solution is frequently used as an intravenous (IV) solution to supply hydration and/or…

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Q: Ms. Dunne added 2233.8 milliliters of water to 16.2 milliliters of NaOH solution to make a 3.60 x…

A: The equation for calculating molarity is the ratio of the moles of solute whose molarity is to be…

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute…

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Q: For the water quality evaluation (as learned in the lab), total dissolved solids (TDS) is one of the…

A: The two most common methods for measuring total dissolved solids are conductivity and gravimetric…

Q: Use ppm and ppb concentration units. The EPA's secondary standards for contaminants that may cause…

A: 1. Convert grams of Cl⁻ to milligrams:   - Given: 8.20 grams of Cl⁻.   - 1 gram = 1000 milligrams.…

Q: During the dilution process, the amount of solvent remains the same.   Question options:   True…

A: Dilution is the process by which the concentration of solute decreases in the solution by adding…

Q: If a chemist wishes to dilute a 1.000 × 103 mg/L stock solution to prepare 5.000 × 102 mL of a…

A: Given, Concentration of stock solution = 1.000 × 103 mg/L Volume of diluted solution = 5.000 × 102…

Q: The soda ash dose necessary to soften this water to 90 mg/ as CaCcO3 if the soda ash is 90% pure is…

A: CaCO3 = 90mg/l

Q: Amoxicillin needs to be used to treat the sore throat of a child who weighs 57 pounds caused by a…

A: Question 1Given Data:Amoxicillin needs to be used to treat the sore throat of a child who weighs 57…

Q: What is the molarity of household bleach (6.0 mass% sodium hypochlorite, NaOC1 (MW = 74.44 g/mol),…

A: Given: mass% of NaOCl solution = 6.0%which implies that 6 g of NaOCl is present in 100g of solution.…

Q: An analysis was conducted to determine the potability of a 35.0-mg sample of tap water. The results…

A: The potability of the water can be calculated by measuring the concentration of lead in ppm.

Q: What is the purity test of synthesized aspirin and commercial aspirin?

A: When salicylic acid reacts with acetic anhydride , Aspirin formed.  It is formed by acetylation of…

Q: Convert conductivity to molar concentration by using the initial conductivity of the NaOH solution…

A: The formula for converting μs/cm/s into mol/l/s is already mentioned in the question. Firstly,…

Q: 7. Graduated cylinders can be used if an experiment calls for specific volumes but without the level…

A: All graduated glassware can be read with one uncertain digit, i.e. the uncertainty if +/- 0.1 is the…

Q: Use the graph below. At 40 °C, what mass of NANO3, in grams, would dissolve in 25 g water to make a…

A: The solubility curve of salts given is

Q: Sodium chloride (NaCl) was isolated from SiO₂ and CaCO3 by dissolving it in distilled water. Calcium…

A: When the mixture containing sodium chloride (NaCl), silicon dioxide (SiO2), and calcium carbonate…

Q: An aqueous potassium iodate (KIO3) solution is made by dissolving 5.60×102 grams of KIO3 in…

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Q: Fill out this reagent table

A: In the given question we have to predict the boiling point, the melting point, solubility in water,…

Q: two solvents A (d=0.859 g/mL) and B (d = 1.290 g/mL) are immiscible. When 12.0 mL of solution A is…

A: Density=1.0314g/ml

Q: A lab prepared a solution of sulfuric acid with a volume of 5.0x10-4 m3. The solution is further…

A: Molarity is defined as the number of moles of solute dissolved in 1 L of solution. The unit of…

Q: Selenous acid (H, SeO) is a diprotic acid, for which Ka1-7.72 x 10³ and K2- 8.43 x 108. Determine…

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Q: i would need help explaining each term, please give example/drawings: Parts per billion Parts per…

A: Introduction The question is based on the terms related to the solution. These given terms are most…

Q: For what anions are most of the compounds usually soluble?

A: "X" in the table indicates the compounds that are insoluble in water. Look for a row with the…

Q: The densities of water, mercury and gasoline is shown below. Water 1.0 g/mL Gasoline 0.701 g/mL…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: A sample of water is analyzed for various ions.  If the sample has the following ion concentrations:…

A: Concentration in ppm = (Weight in mg) ÷ (Volume in Litre)

Q: The EPA's secondary standards for contaminants that may cause cosmetic or aesthetic effects in…

A: Calculate the concentration of contaminant using the formula given below.Convert grams to milligrams

Q: You are required to prepare 2 L of a solution containing 2.000 x 103 mol/L of Cu2*(aq). Which of the…

A: Molarity of a solution is defined as the moles of solute present in one litre of solution.

Q: 14406e994a5937753d2#10001 Constants I F olutions ved solute? 25.0 g solute in 0.325 M NaF Express…

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Q: substance has a solubility of 12.5 g per 100 mL of solvent at 100 degrees celsius and 2.45 g per 100…

A: Given : solubility of substance at 100 °C = 12.5 g/100 ml  Solubility of substance at 10°C = 2.45…

Q: The maximum safe level of a chemical in drinking water is determined to be 52 μg per kg of water.…

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