1. How many moles of Hâ‚‚ would be required to produce 9.0 grams of water?
The answer would be approximately 0.4495 moles of Hâ‚‚.
2. What mass of Hâ‚‚O is formed when excess Hâ‚‚ reacts with 64 g of Oâ‚‚?
A mass of  72g H₂O will be formed.
3.How many moles of SnFâ‚‚ will be produced along with 48 grams of Hâ‚‚?
Approximately 23.811 moles of SnFâ‚‚ will be produced.
4. How many moles of sodium are required to produce 40. grams of NaOH?
The answer would be approximately 1.000722 moles of sodium.
I could only answer 4 of them so sorry, I had like check over it.
The last 2 were super confusing for me.
