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Jennifer fills a 1.0 liter volumetric flask to the calibration line with water. She then weighs out 212.3 g of potassium phosphate and adds it to the volumetric flask.
Joe weighs out 212.3 g of potassium phosphate and adds it to a 1.0 liter volumetric flask. He then fills the volumetric flask to the calibration line with water.
Which student has correctly prepared a 1.0 M aqueous solution of potassium phosphate?
You have 500 mL of a 5.0 M solution of nitric acid HNO3 (63.01 g /?mol) dissolved in water. How many grams of nitrogen does the solution contain.
the question states the distribution coefficient for caffeinein dichloromethane and water is 4.6. assume that your 100
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride
Explain what is the molar solubility if magnesium oxalate (MgC2O4) in water. The solubility product constant for MgC2O4 is 8.6x10^-5 at 25C.
Explain nitrous acid, HNO2, is utilized in the synthesis of organic dye compounds, if the hydrogen ion concentration of a 0.125M solution is 7.5X10-3M, explain what is the ionization constant for the base
when 1 mole of h2 gas reacts with 1 mole of f2 gas 2 moles of hf gas are produced and 536 kj of energy is released. is
codeine c18h21no3 a commonly prescribed painkiller is a weak base.nbspnbspa saturated aqueous solution contains 1.00
Sr(OH)2, is considerably more soluble in hot than in cold water. At 25 °C, 1.01 g of this compound dissolves in 0.100 L of water, but 27.9 g dissolves at 100.0 °C. Calculate Ksp at the temperature of 25°C
Describe the energy changes in a reaction
A copper ore is 23.5% copper by mass. How many grams of copper are in 250.0 grams of this copper ore
A 15.0 gram sample of chromic acid is dissolved in enough water to produce 275 mL of solution. The concentration of the solution is ?
must be dissolved in 15.0g of camphor to lower its freezing point by 2 degrees celsius? constant k of camphor = 37.7 (*C x kg)/mol
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