MCAT Question of the Day
    •

    Q:

    		 An experiment is conducted below by saturating water with the various salts in the table below. For each of the salt solutions, the electrical conductivity was measured with the readings below. Pure water prior to the addition of salt had a conductivity reading of less than 0.1 mS/cm.



    Which of the following is the most likely reason for the low conductivity readings of Al2(CO3)3?
    		 

    A

    		 Aluminum carbonate forms an acidic solution which causes the evolution of carbon dioxide from carbonate, thus removing ions from solution and decreasing the conductivity.

    B

    		 Aluminum carbonate ions are unstable in water, and thus do not add significantly to the conductivity of the solution.

    C

    		 Aluminum carbonate is insoluble in water and the conductivity readings are a result of very minor dissociation in water.

    D

    		 Aluminum carbonate has a net oxidation state of 0, and thus does not add significantly to the conductivity of the solution.



    Solutions |
    Subscribe


    Connect

    Questions? We're here to help!

    Ask Us