Find the percent composition by mass of each element in copper (II) bromide (CuBr2). Please and thank you so much :)!!!

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

How does the viscosity of magma change as magma cools?

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest