Asample of magnesium chloride, mgcl 2, contains 1.215 g of mg for every 3.546 g of cl. how many grams of chlorine are in another sample of magnesium chloride that contains 7.290 g of mg?

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)

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold