Slaked lime (Ca(OH)2) is formed from quicklime (CaO) by the addition of water: CaO(s) + H2O(l) → Ca(OH)2(s) What mass of slaked lime can be produced from a mixture of 21.8 g of CaO and 14.2 g of H2O? Answer in units of g

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.