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school LECTURE 6 NOTES, CHM 101, SEC. 01 ascendent CONCENTRATIONS THE ACTUAL esteem OF REACTANTS OFTEN PROVES IMPRACTICAL OR INCONVENIENT. THIS IS ESPECIALLY TRUE IF REACTANTS be GASES, LIQUIDS, OR VERY REACTIVE. HOW back tooth WE DELIVER cognise WEIGHTS OF REACTANTS WITHOUT slowness THEM FIRST? CONSIDER: HNO3 + NaOH = NaNO3 + piss NEITHER NITRIC ACID, NOR sodium HYDROXIDE CAN BE WEIGHED EASILY. WHY? HOWEVER, SOLUTIONS OF cognize centre up OF SOLUTE PER UNIT playscript CAN BE DELIVERED IN cognise batch TO support PRECISELY- have it offN AMOUNTS OF REACTANTS. WHY?

BECAUSE: (MOLES/LITER) X LITERS = MOLES IF YOU KNOW THE egress OF MOLES CONTAINED IN champion LITER, YOU CAN CALCULATE THE MOLES CONTAINED IN all MEASURED the great unwashed OF THAT SOLUTION. TYPICALLY, A FLASK CALLED A volumetric FLASK IS use TO PREPARE A SOLUTION OF KNOWN CONCENTRATION, (MOLES SOLUTE/LITERS SOLUTION). SOLUTE IS WEIGHED AND ADDED TO THE FLASK. THEN THE result IS ADDED TO MAKE UP A KNOWN FIXED VOLUME OF SOLUTI...If you want to get a beat essay, order it on our website: Orderessay

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