2. What is the formula for gold cyanate when magnesium cyanate has the formula Mg(OCN), and gold sulfate has the formula Au (SO),? Au (OCN), b. Au(OCN), c. A(OCN), d. Au, OCN e. AuOCN 3. What is the name of HCO,? carbonate ion b. acetate ion c. percarbonate ion d. hydrogen carbonate ion e polycarbonate on 4. Which of the following is a homogeneous mixture? apple juice b table salt c filtered alt d. homogenized milk e all of the above inn and Nomenclature