How many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?
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How many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?
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- How many mL of 0.254 M NaOH are needed to fully react with 37.50 mL of 0.358 M H2SO4?An acidified and reduced iron sample required 40.2 ml of 0.0206 M KMN04. Find mg Fe (at wt = 55.8) and mg Fe203 (FW = 159.7 mg/mmol).Copper(II) acetate containing 6Cu is used to study brain tumors. This isotope has a half-life of 12.7 hours. If you begin with 25.0 ug of "Cu, what mass remains after 63.5 hours?