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Given the balanced equation:

2H2 + 02 --> 2H20

How many grams of H20 is produced if you have 7g of O2

1 Answer

4 votes

Answer: 7.88375g

Step-by-step explanation:

Here is the dimensional analysis table

7g O2 | 1 mol O2 | 2 mol H2O | 18.02 g H2O

| 32 g O2 | 1 mol O2 | 1 mol H2O

You use grams to convert to moles of O2, then use that to find grams of H20

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