A beaker containing 80 g of lead(i)nitrate, Pb(NO3)2 in 100 g of water has a temperature of 30°C approximately how many grams of the salt is undissolved? ONLY 1 i after lead, not 2 show work if you can.

The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)