15 grams of kcl is dissolved in 750ml of water assume
115 grams of KCl is dissolved in 750mL of water (assume density=1.005g/mL). What are the molality, molarity, mole fraction, mole percent, % mass, ppm by mass?
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a glass light pipe in air will totally internally reflect a light ray if its angle of incidence is at least 39 what is
a system receives 625 j of heat and delivers 315 j of work calculate the change in the internal energy e of the systema
a camera is focused on a group of people 3 m from the lens wjocj jas a focal lenght of 50 mm 005 ma what is the
the absorbance of monensin a uv-absorbing compound is used to measure its concentration in a pharmaceutical preparation
115 grams of kcl is dissolved in 750ml of water assume density1005gml what are the molality molarity mole fraction mole
a 161 kg piece of zinc at 68 degrees celsius is placed in a container of water the water has a mass of 20 kg and has a
part -11 develop and articulate a critical knowledge and understanding and analysis of change and the management of
a 200mw laser pulse is focused with a lens to a diameter of 15 mu ma what is the laser beams electric field amplitude
when 46 mol o2 is heated at a constant pressure of 325 atm its temperature increases from 252 k to 300 k given that the
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