Ice_Phoenix87 Posted March 9, 2004 Posted March 9, 2004 What is KNO3 used for in horticulture? How do i work out how many moles a chemical is?
Hades Posted March 9, 2004 Posted March 9, 2004 to determine moles of a chemical, u must know the mass in terms of grams. then multiply this number by 1/molecular weight or simply divide it by molecular weight. Well take OH- . i cant remember the atomic mass of O so im gonna round, i think its 16. H is 1.007. H= 1.007 O= 16 17.007(g) if u have 10 grams of the compound, either multiply 10.000g x 1/17.007 OR divide 10.000g/17.007 the answer is .588 mol or if u have molarity and volume, u can determine mol this way as well. Take M(molarity) and multiply by L(liters) MV= moles
YT2095 Posted March 9, 2004 Posted March 9, 2004 high potassium feeds are usualy for fruit bearing plants, Peppers and Tomatoes especialy like high potassium. the nitrogen is a general feed especialy needed by leafy vegitation.
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