How to convert 250 ml of 1 molar sulphuric acid to 0.1 molar 500 ml
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Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). ... The alkaline earth metals have two valence electrons in their highest-energy orbitals (ns2).
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