Nitrogen gas (N2) and hydrogen gas (H2) react to produce ammonia (NH3). If we have 2 mol of N2, how many moles of NH3 will be produced?
1 mol NH3
2 mol NH3
3 mol NH3
4 mol NH3

I believe it would be 2

Explanation:

if there are 2 nitrogen molecules then there would have to be 2 hydrogen molecules but this could be completely wrong

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1. 1 mole of anything contains 6.022x10^23 pieces  

d  

2. a  

3. c, number  

5. 1.24x10^24atoms / 6.022x10^23atoms/mole = 2moles h2 atoms  

6. fe2br3 mass = 2moles x mass fe + 3 moles x mass br  

molar mass = grams / number of moles = g/mole  

to find moles = g / molar mass  

to find mass = g = molar mass / moles

- lead + phosphoric acid = hydrogen + lead(ii) phosphate