<p>Equal volumes of 0.1 M&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mi>g</mi><mi>N</mi><msub><mi>O</mi><mn>3</mn></msub></math>&nbsp;and 0.2 M NaCl are mixed. The concentration of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msubsup><mi>NO</mi><mn>3</mn><mo>-</mo></msubsup></math>&nbsp;ions in the mixture will be:</p>