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Question: 1. A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.-g sample of this compound. – Free Chegg Question Answer

1. A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.-g sample of this compound.

Part A

What are the subscripts in the empirical formula of this compound?

Enter the subscripts for C, H, and O, respectively, separated by commas (e.g., 5,6,7).

1,2,1

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The empirical formula of this compound is CH2O.

Part B

The molecular formula mass of this compound is 150 amu . What are the subscripts in the actual molecular formula?

Enter the subscripts for C, H, and O, respectively, separated by commas (e.g., 5,6,7).

2.Part B How many moles of hydrogen, H, were in the original sample?

3.Part C How many moles of carbon, C, were in the original sample?

4.Part D Platinum in PtCl2(NH3)2, a chemotherapy agent called cisplatin.

5.Part G. C2H5NH2(g)+O2(g)→CO2(g)+H2O(g)+N2(g) Express your answer as a balanced chemical equation. Identify all of the phases in your answer.

6.Moles of Zn(NO3)2 in 141.50 g of this substance.

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