Chemistry. Click hereto get an answer to your question ️ A sample of sea water contains 5 × 10^-3g of dissolved oxygen in 1 kg of the sample. Red Sea at Jeddah: Chloride (Cl-) 18.980: 21.200: 23.000: 22.219: Sodium (Na +) 10.556: 11.800: 15.850: 14.255: Sulfate (SO 4 2-) 2.649: 2.950: 3.200: 3.078: Magnesium (Mg 2+) 1.262: 1.403: 1.765: 742: Calcium (Ca 2+) 400: 423: 500: 225: Potassium (K +) 380: 463: 460: 210: Bicarbonate(HCO 3-) 140-142: 146: Strontium (Sr 2+) 13---Bromide (Br-) 65: 155: 80: 72: Borate (BO 3 3-) 26: 72--Fluoride (F-) 1-- … Phone: +971 4 429 5853 e-mail: email@example.com, Copyright © 1998-2020 Lenntech B.V. All rights reserved, Plant Inspection & Process Optimalisation, Separation and Concentration Purification Request. For example, look at answer #8. Water has great abundance on the Earth, and of that abundance about 97% is sea water. Expressed in %, it would be 96.5% pure water molecules and 3.5% of salts, dissolved gases, organic materials and undissolved particles. How to display the answer? While our hair is h air is comprised of keratinous protein, our strands have crosslinks in between those protein. calculate A) the molar concentrations of Na+ and SO4 ^2- given that the average density of sea water is 1.02 g/ml. You can drink distilled sea water because: it contains pure salt, it contains only water, it contains dissolved sea minerals, it contains a combination of pure salt and pure water On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/l, 599 mM). Sea water contains 2.1 pounds of magnesium per ton. Seawater is denser than both fresh waterand pure water (density 1.0 kg/l at 4 °C (39 °F)) because the dissolved salts increase the mass by a larger proport… How many kilogram of fresh water must be added to 60 kg of sea water for the content of salt in solution to be made 3%? Problem #10: What volume (in mL) of 18.0 M H2SO4 is needed to contain 2.45 g H2SO4? Problem #2: What is the molarity of 245.0 g of H2SO4 dissolved in 1.000 L of solution? What is the concentration of Sr2+ measured in ppm ? (x) (0.7500 L) = 5.00 g / 39.9969 g mol¯1, (x) (0.7500 L) = 0.1250097 mol x = 0.1666796 M. Problem #5: How many moles of Na2CO3 are there in 10.0 L of 2.00 M solution? Sea water contains about 3.5% by weight of salt (sodium chloride).The salinity does vary, and the combination of salinity and temperature has a major influence on ocean currents and behavior. Typically, the solution is for the molarity (M). Average ocean water has a salinity of 35g of dissolved salts. Problem #8: What weight (in grams) of NaCl would be contained in problem #7? Problem #4: What is the molarity of 5.00 g of NaOH in 750.0 mL of solution? (x) (1.000 L) = 245.0 g / 98.0768 g mol¯1. 2.56 x 105g of sea water contains 1.00 g of gold. The above is the answer in liters. Explain . An ideal chlorine level for the pool is one part per million chlorine (think of 1 ppm as being 1 g chlorine per million grams of water). However, sometimes it is not, so be aware of that. method A, 85% of the metal can be recovered at a costs of P75 per ton of water pumped and processed. Note that the 58.443 is in the denominator on the right side and you generate the final answer by doing 0.200 times 0.100 times 58.443. The concentration of O2 in that sea water sample in ppm is: Note: The dot (.) the sea water contains more salt. Currently the world uses 11.000 desalination plants to produce daily 20 million cubic meters per day. Problem #3:A solution used to chlorinate a home swimming pool contains 7% chlorine by mass. Multiplying the answer by 1000 provides the required mL value: 0.0013878 L times (1000 mL / L) = 1.39 mL (given to three sig figs). Math. Sea water contains 5% salts by weight. Sea water contains about 30g of ionic sodium chloride, Na+Cl-, in every 1000cm³ of water.
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