What are the concentrations of chemicals interest to water treatment and potable water supply systems and determine if they are present in the raw and treated water?

Q: What is the importance of water analysis?

A: Given importance of water analysis

Q: Purified water contains not more than 10 ppm of total solids. Express this concentration as a…

A: The concentration of the solutes particles in the solution can be expressed in many ways such as…

Q: List the common steps taken in treating water for a public water system?

A: The common steps taken in treating water for a public water system have to be listed below.

Q: Sewage containing organic waste should not be disposed into water bodies because it causes major…

A: 1. Every animal survives due to the presence of oxygen in the environment.  2. Animals which lies in…

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: What are some common uses and properties of soda ash?

A: Some common uses and properties of soda ash has to be given below.

Q: A 1415 mL sample of drinking water was found to contain 82.0 mg of lead. Calculate the concentration…

A: Given Mass of lead       = 82 mg  Volume of water = 1415 mL        1000 mL     =  1 Liter       1415…

Q: What are the factors that affect the dissolved oxygen content in water? Explain how they affect…

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Q: A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water.…

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Q: Is water available in ethanol?

A: Ethanol is an organic chemical compound. It is a primary alcohol. Its formula is CH3−CH2−OH. It…

Q: the soda pop in a can of carbonated beverage. classification of matter

A: Soda pop is a sweet drink.

Q: Concentrated hydrochloric acid has a concentration of 12.0 M. What volume of this solution should be…

A: Dilution :-  When a concentrated solution of molarity M1 and volume V1 is diluted by adding water to…

Q: Which of the following is the process in which there is an addition of small dose of chlorine gas to…

A: Coagulation : It is the process by which blood changes from a liquid to a gel forming a blood clot.…

Q: Explain why some compounds don’t gain or lose heat when they dissolve (in water). How are they…

A: In this question we have differentiate the compound which doesn't lose or gain energy when dissolve…

Q: Why is such a small amount of freshwater available for humans to readily use? *

A: In planet earth ocean contains maximum percentage of water found in the earth. And second largest…

Q: How does evaporation occu Why does ice float? What is a solution?

A: ANSWER

Q: What does decomposing of pure water into its constituent elements indicate?

A: In decomposition reaction single compound is broken down into two or more simpler substances.…

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: Materials Needed: sugar water glasses fork oil teaspoon stones egg yolk Procedure: 1. Put one…

A: Materials :       Sugar                            Glasses                         Water…

Q: A power plant built on a river uses river water as a coolant. The water is warmed as it is used in…

A: Given: A power plant built on a river uses river water as a coolant. The water is warmed as it is…

Q: the concentration in parts per billion (ppb)

A: The environmental protection agency (EPA) has set the legal limit, known as the maximum contaminant…

Q: The stickness of oranges in our hands can be easily washed with tap water ,explain the observation…

A: The question is about general chemistry. we have to reason for the fact that we can easily wash our…

Q: What is the purpose of environmental remediation? to restore water to its original purity levels to…

A: Environmental remediation has the purpose of lower the exposure of radiation from contaminated…

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

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Q: How is a supersaturated solution typically made?

A: Super saturated solution is defined as a solution that contains solute more than the amount present…

Q: You dissolve 138.5 g of NaF in enough water to create a 1.50 L solution. If you take 150 mL of that…

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Q: What are two characteristics of ions that govern interactions with water?

A: Water is a good solvent for an ionic compound. The dielectric constant of water is too high that it…

Q: A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In…

A: Given , mass of Nitrate (solute) = 562 microgram  = 562 X 10-6 gram (As , 1 microgram = 10-6 gram)…

Q: Water is a good solvent. Relate this property to issues regarding water pollution.

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Q: Should we ignore changes in density of water when dealing with high concentration of sludge or…

A: The change in the density of water is high with an increase in the concentration of sludge. However…

Q: In your own words, Explain and Give two examples of important solutions in nature and explain why…

A: Solution  A solution is a homogeneous mixture of two or more components in which the particle size…

Q: How many grams of NaCl is present in 100mL of salt water and 70g of water? The salt water density is…

A: Mass of solution = volume of solution x density of solution = 100 mL x 1.08 g/mL…

Q: Why do some chemicals dissolve in water while others do not?

A: Molecules that have a positive end and a negative end, or that can separate into components with…

Q: The degradation of organic waste to methane and other gases requires water content. Determine the…

A: Solutions

Q: Based on this. What was the percentage by mass of water in the sample?

A: Given sample is = MgSO4·7H2OMolar mass of  MgSO4·7H2OMgSO4·7H2O =  24 + 32 + 16×4 + 72+16…

Q: Why aeration is important in water treatment? Why Coagulation as a chemical tool is important in…

A: Introduction :  Water treatment is a process of removing unwanted chemicals , pollutants from the…

Q: How many water particles surround a calcium ion? I’m trying to draw a particle representation of…

A: Calcium ion Ca2+ mostly shows co-ordination number of 6 , 7 , 8 . 80% of calcium co-ordination…

Q: Q1. Write any 4 properties of gases and liquids.…

A: Properties of gases:- Low Density. Gases contain scattered molecules that are dispersed across a…

Q: The maximum quantity of lead allowed in drinking water is 0.05 ppm. What mass of lead could be found…

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Q: What are the unique physico-chemical properties of water?

A: Water has the following unique physio-chemical properties. - Water is a polar solvent - Water has…

Q: The dictionary defines homogeneousas “uniform in compo-sition throughout.” River water is a mixture…

A: Heterogeneous mixture: A mixture in which components combine to give a non-uniform composition is…

Q: ook at the dissolution of solid sodium chloride in water. In answering the following questions, you…

A: The chemical formula of sodium chloride is NaCl and the chemical formula of water is H2O. NaCl is a…

Q: In what ways can we help improve the quality of water in our community, considering the knowledge,…

A: Improve Quality  of water  is necessary  for better Health of a person as Water is the important…

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: What are the interparticles interactions, solutions and other scientific principles of the RECIPE…

A: Popcorn is one of the world's favorite snack foods. It is perfect snack because it is whole grain,…