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What is the concentration of chloride ions in a solution that contains 15.6 mM sodium chloride, 21.4 mM calcium chloride, and 9.23 mM lithium sulfate?
The barometric pressure was 768.6 mmHg when the open end manometer attached to a flask holding a gas read 13.0 mmHg. (mercury level highest on the side connected to the flask.) what is the pressure of the gas in the flask in kilopascals?1.00 atm =..
What are the Celsius temperatures of the following conditions? body temperature, ice freezing, water boiling, room temperature?
Calculate the number of moles of sodium bicarbonate orginally present in the unknown mixture, knowing that 20.0ml of 0.100M HCL were used in the step 2 of titration, using methyl orange as an indicator.
What is the enthalpy for reaction 1 reversed. Reversed equation: CO2-->CO+(1/2)O2 Express answers in kJ per mole.
A student added 5.85g of KMnO4 to a beaker containing 150ml of 0.200 M KMnO4 solution. Calculate the molar concentration of the final solution. Assume volume remains constant.
How many liters of water vapor are produced when 21.7g of NH4NO3 decomposes. b.) How many grams of NH4NO3 are needed to produce 16.0L of oxygen
nitrous oxide n2o is oxidized byoxygeno2 to produce nitrogen dioxideno2.if 6.0 mol n2o reacts with 8.0 mol o2 toproduce
Problem- Hydrogen gas was generated by treatment of a 2.1 g sample of Mg metal with HCl. The hydrogen gas was collected over water at 28 °C and 30.28 inches Hg. What is the volume of hydrogen gas produced
How many g of ethanol do I need to burn in excess oxygen in order to recover 5.0 g of water if the reaction has 75% yield
What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in 0.20M Pb(NO3)2 solution
How can you tell when looking at organic compounds what is saturated? Here are some examples?
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