In white phosphorus, P atoms are joined into P 4 molecules (see Figure 3-5). White phosphorus is

Question:

In white phosphorus, P atoms are joined into P₄ molecules (see Figure 3-5). White phosphorus is commonly supplied in chalk-like cylindrical form. Its density is 1.823 g/cm³. For a cylinder of white phosphorus 6.50 cm long and 1.22 cm in diameter, determine

(a) The number of moles of P₄ present;

(b) The total number of P atoms.

Figure 3-5