a) Write the chemical formula for nitrous acid. Write the chemical formula for gold(III) chloride. b) Write the chemical formula for platinum(IV) oxide. Write the chemical formula for cadmium acetate


Step 1 of 2

Given data: compound name is given as nitrous acid, gold(III) chloride, platinum(IV) oxide, cadmium acetate.

Find:

  1. a) Write the chemical formula for nitrous acid.

Write the chemical formula for gold(III) chloride.

  1. b) Write the chemical formula for platinum(IV) oxide.

Write the chemical formula for cadmium acetate.

Explanation:

Determine the chemical formula using the steps.

Step 2 of 2

Steps to determine the chemical formula:

  1. Find the empirical formula. Get the mass of each element by assuming a certain overall mass for the sample (100 g is a good mass to assume when working with percentages).
  2. Find the mass of the empirical unit.
  3. Figure out how many empirical units are in a molecular unit.
  4. Write the molecular formula.
  5. a) Nitrous acid: HNO2​

Gold(III) chloride: AuCl3​

  1. b) Platinum(IV) oxide: PtO2​

Cadmium acetate: Cd(CH3​COO)2​ or Cd(C2​H3​O2​)2

Explanation:

Using the above steps we can calculate the chemical formulas.

Final solution
  1. a) The chemical formula for nitrous acid is HNO2⋅

The chemical formula for gold(III) chloride is AuCl3⋅

  1. b) The chemical formula for platinum(IV) oxide is PtO2⋅

The chemical formula for cadmium acetate is Cd(C2H3O2)2⋅

 

 

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