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a 25 ml of sample of HNO3 is neutralized by 32.1 ml of 0.150 M KOH(aq). What is the molarity of HNO3?
The density of air at ordinary atmospheric pressure and 25 0C is 1.19 g/L. What is the mass of air, in kg, in a room that measures 12.5 ft by 15.5 ft by 8.0 ft?
Dichloromethane has a specific gravity of 1.33: a) What is the mass (kg) of 75 liters? b) What is the volumetric flow rate (L/min) of the dichloromethane entering a storage tank if the mass flow rate is 960 kg/min.
A cylinder contains 975 grams of chloroform, CHCl3, How many atoms of carbon are in the sample? How many atoms of chlorine are in the sample?
find the molarity when 7.85 moles aluminum chloride are dissolved in enough water to make a total of 600. mL
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
A 550 mL volume of hydrogen chloride gas, HCl, is collcted at 27 degrees C and 790 mm Hg. What volume will it occupy at STP?
Iron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas. Fe(s) + 2 HCl(aq) -> FeCl2(aq) + H2(g) How many moles of HCl will react with 4.6 moles of Fe?
170 mL of an HCl solution with pH of 2.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
calculate the heat released when 176g of water at 23.0 degrees celsius are converted to ice at -10.0 degrees celsius?
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