calculate: samples A, B, and C have masses of 80 grams, 12 grams, and 33 grams and volumes of 20 milliliters, 4 milliliters, and 11 milliliters respectively. Which of the samples have the same density?

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.

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2

Write a balanced equation showing the formation of copper (ii) nitrite from its elements