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1.What is the percent yield of a reaction in which 45.5 g of tungsten (VI) oxide...

1.What is the percent yield of a reaction in which 45.5 g of tungsten (VI) oxide (WO3) reacts with excess hydrogen gas to produce metallic tungsten and 9.60 mL of water? (density of water = 1.00 g/mL; molar mass of WO3 = 231. 84 g/mol; and molar mass of H2O = 18.01 g/mol) WO3 + 3H2(g) → W(s) + 3H2O(l)

2.A solution is prepared by mixing 115 mL of 0.34 M NaNO3 and 125 mL of 0.56 M Na2CO3. What is the concentration of sodium ion in the final solutions?

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