Balanced equation:
<span>2 Na + 2 H₂O = 2 NaOH + H₂</span>
mole ratio :
2 moles Na ----------- 2 moles H₂O
12 moles Na --------- ? moles H₂O
moles H₂O = 12 x 2 / 2
moles H₂O = 24 / 2
= 12 moles of H₂O
hope this helps!
Answer:
there was to much force for the glass and the glass broke
Explanation:
1st --> number of molecules in 0,65g SF₆:
2nd --> <span>How many grams of NH3 are needed to provide 2,68</span>ˣ10²¹ molecules