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What is the independent variable in this investigation? mass volume sample number substance density

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17