How many milliliters of calcium with a density of 1.55 g/mL are needed to produce 12.4 g of hydrogen gas in the single replacement reaction below be sure to show the work that you did to solve the problem and balanced equation Ca + HF -> CaF2 + H2

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Density and pressure

Ibelieve it’s 1.95m