In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

4.74 moles

Explanation:

2LiBr+Ba\rightarrow BaBr_2+2Li

Moles of Ba=\frac{\text {given mass}}{\text {molar mass}}

Moles of Ba=\frac{325g}{137g/mol}=2.37 moles

According to given balanced equation,

1 mole of Barium gives 2 moles of Li

Thus 2.37 moles of Barium gives=\frac{2}{1}\times 2.37=4.74 moles

Thus 4.74 moles of lithium will be produced by 135 g of barium.

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.

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