Calcular el pH de NaOH 3.25x10 -4 M
Tyrone almost forgot that he promised to pick up a prescription for his mother at the drug store across town. His mother is due home in 45 minutes. If Tyrone is able to make the 12.5 mile trip to the store and back again before his mother gets home, can he obey the posted speed limit of 35 mph?
given the reaction: 3feo + 2cu3n2 + 3cu2o how many moles of copper (i) nitride are needed to form 5 grams of copper (i) oxide
Given the following reaction:3FeO + 2Cu3N --> Fe3N2 + 3Cu2OHow many moles of copper (I) nitride are needed to form 5 grams of copper (I) oxide?
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How many grams of co are needed to react with fe2o3 to produce 558g of fe?
At standard temperature and pressure, how many liters of gas form when 228 grams of NH4NO3 decomposes? A.314 B.224 C.156 D.128
if some volatile impurities in the crucible are not burned off in step 1 but are removed in step 4 is the reported percent mass of water in the hydrated salt too high or too low