When a piece of Cadmium (Cd) weighing 2.000 gm is completely oxidized, the cadmium oxide (product) formed weighs 2.280 gm. What is the empirical formula for cadmium oxide? Write the balanced equation of the reaction involved. Molecular weight of Cd = 112.411 gm/mol Molecular weight of O = 15.999 gm/mol

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Collen VonLv2

13 Dec 2019

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Below is a chemical reaction in which two solutions are combined: CdSO4 (aq) + K2S (aq) â CdS(s) + K2SO4 (aq)

a) What does the subscript (s) mean?

b) For cadmium sulfate, write a chemical equation similar to problem 2 showing that cadmium sulfate dissolves in water. Do the same for potassium sulfide. How many ions are present in this solution?

c) Some of these ions react with one another to produce cadmium sulfide. Look up the physical properties of cadmium sulfide. What would you expect to see when you mix cadmium sulfate and potassium sulfide?

d) What is the name for this type of reaction?

e) Potassium sulfate is shown as a soluble product. What ions are still present in solution after the reaction?

Wow having a hard time with this

Would appreciate the help thank you . I asked around for help but no 1 seems to understand .