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This is from a "effect of pH on the solubility of Ca(OH)2" lab: If excess Ca(NO3)2 were present, what effect would it have on the solubility of Ca9OH)2. in a "effect of comlex ion formaiton on the solubility of NiCO3" lab": If HCl(aq) were added to the NiCo3 precipitate, rather than NH3 (aq), what effect would it have on the solubility? write a balanced ionic equation for the reaction of HCl 9aq) with NiCO3(s).
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using as sample of gas of 12.0 moles nbspare in a tank of 8.00 litres at the temperature of 22.6 degree celsius.
What is also produced when neon-20 is bombarded with an alpha particle to give oxygen-16
1.5 mol of oxygen are mixed with an unknown amount of nitrogen in a 2.0L container at a temperature of 26.0 degrees C. If the final pressure of the mixture is 4.3atm, what is the number of moles of nitrogen in the container
A tank initially at a pressure of 6.70 atm contains 20.0 moles of oxygen gas at 25.0 degrees celsius. Its temperature is then increased to 45.0 degrees celsius
cu2 ag d ch4 o2 co2 h2o e both a and b 23. draw a lewis structure for h3c--no2. both oxygen atoms are directly
What is the pH of the sodium phosphate buffer described in problem #1 if 1 ml of 10M NaOH is added? What is the pH of 1 liter of water if 1ml of NaOH is added?
At 20 Celsius, a saturated solution of NaCl in water has a concentration of 380 g of sodium chloride per liter of solution. How many g of NaCl are required to make 4 L of the saturated solution? Which is the solute and which is the solvent in this..
How much antifreeze would you add to a 2.0 gal water tank in order to obtain a solution that freezes
At pH 12, magnesium hydroxide is insoluble and does not react with EDTA. The titration of a hard water sample at pH 12 thus yields results for calcium only. A 250.0-mL sample of tap water was adjusted to pH 12 and titrated with 0.01056 EDTA using ..
The decomposition of potassium chlorate (KClO3 ) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 24.1 mol of oxygen?
What mass of this substance must evaporate in order to freeze 160 g of water initially at 19 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c. K}.)
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