How many grams of Na2O2 can be produced from the reaction of 5.0 g of sodium metal with excess oxygen gas if the percent yield of the reaction is only 55%? Na + O2 -> Na2O2 a) 4.6 g b) 5.8 g c) 9.3 g d) 8.5 g
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Given the mass in grams of a substance in a reaction, calculate the mass in grams of another substance in the reaction. Sodium reacts with oxygen to produce sodium oxide. $$ 4 \mathrm{Na}(s)+\mathrm{O}_{2}(g) \longrightarrow 2 \mathrm{Na}_{2} \mathrm{O}(s) $$ a. How many grams of $\mathrm{Na}_{2} \mathrm{O}$ are produced when $57.5 \mathrm{g}$ of $\mathrm{Na}$ reacts? b. If you have $18.0 \mathrm{g}$ of $\mathrm{Na}$, how many grams of $\mathrm{O}_{2}$ are needed for the reaction? c. How many grams of $\mathrm{O}_{2}$ are needed in a reaction that produces $75.0 \mathrm{g}$ of $\mathrm{Na}_{2} \mathrm{O} ?$
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Sodium reacts with oxygen to produce sodium oxide. $$ 4 \mathrm{Na}(s)+\mathrm{O}_{2}(g) \longrightarrow 2 \mathrm{Na}_{2} \mathrm{O}(s) $$ a. How many grams of $\mathrm{Na}_{2} \mathrm{O}$ are produced when $57.5 \mathrm{~g}$ of Na reacts? b. If you have $18.0 \mathrm{~g}$ of $\mathrm{Na}$, how many grams of $\mathrm{O}_{2}$ are needed for the reaction? c. How many grams of $\mathrm{O}_{2}$ are needed in a reaction that produces $75.0 \mathrm{~g}$ of $\mathrm{Na}_{2} \mathrm{O} ?$
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