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A solution was made by dissolving 5.38 g of a non-volatile solute in 137.7 g of acetone. The solution boiled 1.77 ºC above the boiling point of acetone. Determine the molar mass in g/mol of the solute. Kb = 1.71 ºC/molal.
a 0.0050 molar solution of sugar is separated from pure water by a membrane at 20c. what is the osmotic
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H2C2O4 and H2O in the balanced reaction
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 10.13 mL of 0.08840 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.18 mL. Determine the percent WO3 in ..
A solution is prepared by adding 60.0 mL of 0.060 M HBr to 180.0 mL of 0.70 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids
Draw the structure(s) of the alkene(s) with the molecular formula C6H12 that have two methyl branches on the same carbon.
a gas expand and does P-V work on the surroundings equal to 294 J, at the same time , it absorbs 196J of heat from the surroundings. what is the change in energy of the system
Calculate the volume of carbon dioxide formed at a pressure of 2.50 atm and a temperature of 1250C.
What is the concentration of the solution prepared by adding enough water to 4.00 mL of 3.25 M NaOH to make 20.00 mL total?
if 28ml of 7.0m sulphuric acid was spilled determine the minimum mass of sodium bicarbonate or sodium hydrogen
acetylene c2h2 will burn in the presence of oxygen.2c2h2g 5o2g --gt 4co2g 2h2oghow many grams of water can be
The resultant mixture is then evaporated in a kettle to produce a jam contain- ing 67 wt % soluble solids. For a feed of 1000 kg crushed fruit, calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced
A titration was set up with standard potassium permanganate solution(.020 M). A volume of 17 mL potassium permanganate was need to reach the endpoint.
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