What is the gram formula mass of (NH₄)₂SO₄?

Which features are shown in the image? check all that apply. folds o anticlines o synclines o normal faults ostrike-slip faults

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

How can one make a supersaturated solution? (apex)