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Why is there a concern for dissolved organics and color in the water supply and in water treatment plant?
A solid mixture consists of 51.0 g ofKNO3 (potassium nitrate) and 9.0 gofK2SO4 (potassium sulfate). The mixture is added to 130g of water. If the solution described in the introduction is cooled to 0 degrees celsius
Find the molecular mass of sucrose and determine how many molecules there are in 1kg of it.
Find out the normal boiling point in Celsius of pure acetic acid giving that the liquid has a vapor pressure of 13.9 torr at 25degree Celsius and its heat of vaporization (Δhvap) is 41.7kj/mol.
A cylindrical container has a radius of 2.1cm and a height of 0.62m. What is the volume of the container in dm3
Compute the average drift velocity of conduction electrons in a copper wire of cross section 107 m2 carrying a current of 1A. Presume each copper atom contributes one conduction electron. Specified the density of copper = 9*10^3 kg/m^3 and atomic ..
Predict the probability P9v) that a molecule will have a given total velocity of more specifically P(v)dv is the probability that a molecule will have a velocity btwn v and v+dv.
During physical activity, lactic acid (MM = 90.08 g/mole) forms in muscle tissue and is responsible for muscle soreness. An elemental analysis shows that it contains 40.0 mass percent C, 6.71 mass percent H
how many liters of h2 gas at stp can be produced by the reaction of 4.60g of na and excess water accoring to the
A 100.0, mL of 10.0 mM phosphate buffer, pH 7.5 (pKa2 = 7.2). You are provided with 0.200 M KOH and 0.100 M KH2PO4 solutions. Calculate volume of KOH and KH2PO4 solutions.
barium hydroxidedissolves as followsbaoh2s ---gt ba2aq 2oh-aqhow many moles of baoh2 are required to make 1.0l of
Caffeine crystals always contain at least one molecule of water per caffeine molecule. Draw chemical structures to explain why a water molecule might be essential to producing a stable crystal of caffeine.
How many grams of sodium chlooride can be produced from 2.35 grams of sodium carbonate and exces hydrochloric acid
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