What is the mass of 1.75 moles of Ca(H2C302)2?

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

What are the similarities between compounds and mixtures?