When two solutions are combined a bright red precipitate is formed. Which is true of the precipitate? Im not sure what subject it is it’s science.

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

Can someone me with questions 15 to 17 plz.

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?