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OpenStudy (anonymous):
Need help with these questions >< 1) Write down the dissolution equation for rubidium chromate dissolving in water. (Chromate is a polyatomic ion with the formula CrO42-.) If two moles of the ionic compound are dissolved, then how many moles of the CATION are present in the solution? 2) Calculate the concentration of chromate ion, CrO42–, in a saturated solution of CaCrO4 (Ksp=7.1×10^–4) 3) Substances which will conduct electricity in the form given: - FeSO4(s) - 1M HNO3 in water - sand - 0.1M glucose (sugar) water - 0.1M solution of lithium sulphate 4) A solution is known to contain
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