We live in a thirsty world. Despite the existence of ample amounts of water on Earth, 97.5% of water is seawater. Discuss how excess of solutes can be removed from sea-water for domestic use. Also discuss the associated problems and probable solutions.

Q: The concentration this concentration of Tetrachloroethylene in water is 3 mg/L. Express in mol/1,…

A:

Q: 1-What are the effects of requisites of drinking water?

A: Our planet is made up of more than 71% of water .  Our body constitutes of 60% of water.  Even our…

Q: Seawater consists of many important elements in the form of salts dissolved in the water. At 25°C…

A: #Q.1: Mass of seawater, m = 1000.0 g * 1 Kg1000 g = 1.000 Kg density of seawater, d = 1.024 kg/L

Q: A person preparing a fish tank uses pre-boiled (and then cooled) water to fill it. When the fish is…

A: The solubility of gaseous solutes decreases with an increase in temperature. This is because, at…

Q: Rank these solutions from LOWEST to HIGHEST electrical conductivity. Explain your answer. 0.1 M NaCl…

A: The electrical conductivity of the different solutions containing the same concentration can be…

Q: How can seawater be desalinated using reverse osmosis? Describe the process?

A: To find: How can seawater be desalinated using reverse osmosis? Describe the process?

Q: The Safe Drinking Water Act (SDWA) sets a limit for mercury-a toxin to the central nervous system-at…

A: From given  Initially we are converting the factor of ppm to mg/L and then we are calculating the…

Q: ADWA) sets a limit for mercury- a toxin to the central nervous system- at 0.0020 ppm by mass. Water…

A: In this question we have to find out the volume of water in litre by a person have to consume to…

Q: If you were in a town struck by severe calamity and drinking water is not yet available, how will…

A: Flood water is not suitable for drinking as such.

Q: Which substance is found at high concentrations in surface waters and decreasing concentrations with…

A: Oxygen is found at high concentration in surface water due to two reson.. 1) the surface water is…

Q: List and describe the two main methods of seawater desalination.

A: Desalination plants are providing drinking water to one percent of the world population. The process…

Q: A dioxin-contaminated water source contains 0.066 % dioxin by mass. How much dioxin is present in…

A: To solve this problem we will use the formula  % of dioxin = (mass of dioxin / mass of solution) ×…

Q: An aqueous solution has 0.0065 g of oxygen dissolved in 2.5 L  of water. Calculate the dissolved…

A:

Q: A person preparing a fish tank uses pre-boiled (and then cooled) water to fill it. When the fish is…

A:

Q: A person preparing a fish tank uses pre-boiled (and then cooled) water to fill it. When the fish is…

A: Oxygen is soluble in water because water can form hydrogen bond with it's lone pairs . Hydrogen…

Q: The Safe Drinking Water Act (SDWA) sets a limit for mercury—a toxin to the central nervous system—at…

A: The representation of the relative amount of a solute in a solution is called the concentration of…

Q: What role does coagulation play in water treatment? Why is it necessary to add ferric chloride?

A: Coagulation is a process that involves the addition of alum in the water.  Alum produces the…

Q: A bubble of air escaping from a diver's mask rises from a depth of 155 ft to the surface where the…

A: Given the depth of water from the surface, h = 155 ft * 30.48 cm1 ft*1 m100 cm= 47.244 m The volume…

Q: The EPA has set a limit for uranium in drinking water at 30 micrograms per Liter.  This corresponds…

A: The limit of uranium in the drinking water is 30 micrograms per liter. This corresponds to a mass…

Q: Seawater contains an average of 1.08 x 103 ppm of Na* and 270 ppm of SO42. Calculate the molar…

A: Given, Concentration of Na+ ion = 1.08 * 103 ppm Concentration of SO42- ion = 270 ppm Average…

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: Which of the following is not a unique property of water? It prefers to be in the partially-bound…

A: Water is itself a very unique compound and it is so because of its unique properties. Some of these…

Q: Choose the aquaeous solution with the lowest freezing point. All solutions are nonvolatile. a.…

A:

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of iron(III) bromide (295.6…

A: The formula of the depression in the freezing point is  = ..............(1)Where, the ∆Tf is the…

Q: An alcoholic drink claims 12% alcohol by volume. Calculate the volume in mL of alcohol present in a…

A: 12% alcohol means 12mL alcohol in 100mL of solution (wine, here). And, 1L=1000mL Therefore,…

Q: Why do industries use so much of the world’s available fresh water? (b) Choose a specific industry…

A: Water is used in industries for variety of purposes such as ultrapure water is used in semiconductor…

Q: 1. Identify four physical properties of gold that made it a great choice for currency. 2. Colloidal…

A: (1) Physical properties of gold: Gold has high density, malleability, luster, & chemical…

Q: What are the essential requirements of domestic water? Enumerate the various steps involved in the…

A:

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: Lead levels in drinking water should be no higher than 15 ppb. What is this in mol/L? Assume the…

A:

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

A:

Q: Give 5 examples of freshwater organisms and their dissolved oxygen requirements.

A: Answer Example 1: Freshwater FluctuationsMean dissolved oxygen concentrations in the Pompton River…

Q: Which one of the following substances, when dissolved in water at equal molar concentrations, will…

A: The conductance of a solution that contains one mole of electrolyte is known as molar conductance.…

Q: ome fish live in saltwater environments and some in freshwater, but in either environment they need…

A: Salt water fish can't survive in fresh water because their bodies are Highly concentrated of salt…

Q: Besides needing clean water for drinking purposes , identify TWO other reasons why humans need clean…

A: A question about need for clean water, which is to be accomplished.

Q: Explain why olive oil won't dissolve in water but an ionic compound like potassium iodide (KI)…

A: