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A researcher added 2.06g of the salt sodium nitrate, NaN0subscript 3, to a cylinder containing water. The cylinder diameter is 2 inches and the depth of the water in the cylinder is 4 inches. Determone the concentration of salt in the solution, showing your answer in units of mg/l
A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
imagine that you work at a company that prepares chemical solutions. you are asked to label a solution to sell to
what is the theoretical mass of xenon tetraflouride that form when 118. grams of xenon is reacted with 62.0 grams of flourine?
a compound is constituted by mass of 22.6 phosphorus the rest being chlorine. given that a volume of 307 ml of the gas
calculate the equilibrium constant keq for the reaction of equimolar amounts of acetophenone and sodium hydroxide to
how many grams of sulfur dioxide could be formed in a mixture of 128 grams of sulfur and 100 grams of oxygen are mixed and ignited.
A buffer solution was prepared by adding 4.95 g of sodium acetate (NaCH3CO2) to 0.250 L of 0.150 M acetic acid (Ka = 1.75 x 10-5). What is the pH of the buffer
Galactose and glucose compose lactose, which is referred to as milk sugar. What is the molecular formula of galactose if the empirical formula is CH2O
ascorbic acid vitamin c c6h8o6is a water-soluble vitamin. a solution containing 81.0g of ascorbicacid dissolved in 230g
Amount of H2O2 in 15.8 g of hair bleach was obtained by titration with a standard KMnO4 soln.
When 0.100 mol of carbpon is burned in a closed vessel with 8.00 g oxygen, how many grams of carbon dioxide can form. Which ractant is in excess, and how many grams of it remain after the reaction
Which of the following electron transitions corresponds to emission of the longest wavelength light
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