What is the molar mass of ammonium sulfite

If you want to create an electrical current, which situation would produce a solution capable of this

What is the value of keq for the reaction expressed in scientific notation

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils