Equal volume of 0.1 M AgNO3 and 0.2 M NaCl are mixed. The concentration of NO−3 ions in the mixture will be:
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Solution
Assuming that the concentration of NaCl is also 0.1 M Suppose volumes mixed are V mL then m mole AgNO3=NO3=0.1×V Now after mixing total vol. = 2 V So, concentration of NO3 ions (which are spectators in reaction) after mixing = 0.1×V2V=0.05M