Using the Zn sample mass, 9.7905, calculate the number
of moles of Zn (m) used in the reaction

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o

What is the equation for calculating rf values