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TheaqapplicationaqofaqsodiumaqhexametaphosphateaqtoaqtheaqfeedwateraqofaqanaqROaqmembraneaqhelpsaqto A.aqDecreaseaqtheaqprecipitationaqofaqorganicaqmatteraqonaqtheaqmembrane B.aqIncreaseaqtheaqamountaqofaqfluxaqrate C.aqDecreaseaqtheaqamountaqofaqcalciumaqsulfateaqprecipitationaqonaqtheaqmembrane D.aqDecreaseaqtheaqtemperatureaqandaqpH,aqallowingaqhigheraqfluxaqratesaq-aq aqaqC.aqDecreaseaqtheaqamountaqofaqcalciumaqsulfateaqprecipitationaqonaqtheaqmembrane Theaqincreasingaqtendencyaqforaqprecipitationaqofaqsparinglyaqsolubleaqsaltsaqandaqdepositionaqofaqparticulateaqmatte raqonaqtheaqmembraneaqsurfaceaqisaqcalled A.aqCompaction B.aqConcentrationaqpolarization C.aqHydrolysis D.aqDemineralizationaq-aq aqaqB.aqConcentrationaqpolarization WhyaqareaqacidsaqcommonlyaqfedaqintoaqtheaqfeedwateraqofaqanaqROaqunit? A.aqToaqincreaseaqalkalinity B.aqToaqprotectaqmembranesaqfromaqdamageaqbyaqhydrolysis C.aqToaqprotectaqmembranesaqfromaqdamageaqbyaqchlorine D.aqToaqdecreaseaqdissolvedaqsolidsaq-aq aq**aqB.aqToaqprotectaqmembranesaqfromaqdamageaqbyaqhydrolysis Anaqinstrumentaqusedaqtoaqmeasureaqtheaqcoloraqintensityaqofaqaaqchemicalaqsolutionaqisaqcalled? A.aqAnaqamperometricaqtitrator B.aqAaqspectrophotometer C.aqAaqburet D.aqAnaqatomicaqabsorptionaqanalyzeraq-aq
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