How many atoms are found in 1.56 moles of na? 9.39 x 1023 atoms 3.76 x 1023 atoms

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-