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A 5% solution by weight of an unknown non-electrolyte in water has a density of 1.018 g/mL if this solution exhibits an osmotic pressure of 3.57 ATM at 25C what is the MM of the unknown?...(R= 0.082 lit-atm/mol k)
Three solutions are mixed together to form a single solution. One contains 0.2 rm mol rm Pb(CH_3COO)_2, the second contains 0.1 rm mol rm Na_2S, and the third contains 0.1 rm mol rm CaCl_2.
Titanium tetrachloride, TiCl4, has a melting point of -23.2 C and has a Delta H fusion = 9.37 kJ / mol.
how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?
At 0.0oC, if the volume of air is 1.5 mL and the pressure of the atmosphere that day is 735 mmHg, what is the number of moles of air?
Which one of the following does not react with aqueous sodium hydroxide?
what law is illustrated by the fact that ice,water,and steam consist of 88.8% oxygen and 11.2% hydrogen by mass.
A sample of a gas occupies 1470 mL at 60.7?C and 740 torr. What volume would it occupy at the same pressure and 450?C.
Draw and completely label a flow chart for this system, In a process for concentrating 1000kg of freshly extracted orange juice containing 12.5 wt% solids, the juice is strained, yielding 800kg of strained juice and 200kg of pulpy juice.
What volume (in liters) of 1.04 M KOH solution should be added to a 0.090 L solution containing 9.3 g of glutamic acid hydrochloride (Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95) to get to pH 9.90?
Calculate the final Celsius temperature of sulfur dioxide if 0.500 L of the gas at 35°C and 650 mmHg is heated until the pressure reaches
What are the equilibrium partial pressure of H2 when equilibrium is reestablished following the addition of 0.200 mol of HI?
An unknown compound has the formula CxHyOz. You burn 0.220 g of the compound and isolate 0.312 g of CO2 and 0.191 g of H2O.
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