<p>If 5.0 mole of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>B</mi><mi>a</mi><mi>C</mi><msub><mi>l</mi><mn>2</mn></msub></math>&nbsp;is mixed with 0.2 mole of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>N</mi><msub><mi>a</mi><mn>3</mn></msub><mi>P</mi><msub><mi>O</mi><mn>4</mn></msub></math>&nbsp;the maximum number of mole of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>B</mi><msub><mi>a</mi><mn>3</mn></msub><msub><mfenced><mrow><mi>P</mi><msub><mi>O</mi><mn>4</mn></msub></mrow></mfenced><mn>2</mn></msub></math>&nbsp;that can be formed is:</p>