An uncommon mineral of boron is ulexite, NaCaB5 O9 ·8 H2 O. How many grams of boron can be produ

First, we need to find the mass of ulexite in the ore. Mass of ulexite = (Mass of ore) x (Perc

An uncommon mineral of boron is ulexite, NaCaB5 O9 ·8 H2 O....

An uncommon mineral of boron is ulexite, $\mathrm{NaCaB}_{5} \mathrm{O}_{9} \cdot 8 \mathrm{H}_{2} \mathrm{O}$. How many grams of boron can be produced from $5.00 \times 10^{2} \mathrm{~kg}$ of ulexite-bearing ore if the ore contains $0.032 \%$ ulexite by mass and the process has an $88 \%$ yield?

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Key Concepts

Stoichiometry

Stoichiometry involves using balanced chemical formulas and the relationships between reactants and products to calculate how much of a particular substance is produced or consumed in a reaction. It is crucial for converting between masses of different elements or compounds based on their molar ratios.

Percent Composition

Percent composition is the calculation of the percentage by mass of each element in a compound. This concept allows one to determine how much of a specific element is present within a given mass of the compound, which is essential when extracting elements from a mineral.

Unit Conversions

Unit conversions are used to translate measurements from one unit to another, such as converting kilograms to grams. Accurate unit conversions are necessary to ensure that the quantities used in calculations are consistent and correctly scaled.

Percent Yield

Percent yield accounts for the efficiency of a chemical process by comparing the actual yield to the theoretical yield. It is used to correct the calculated amount of product to reflect losses that occur during processing.

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