The following reaction is carried out in an open flask.
Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2 (9)
What is the mass of MgCl, produced when 6.1 mol Mg is reacted with an excess of HCI?

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

How are the terms group and period used on the periodic table

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?