I mol of anything is 6.02 * 10^23 (in this case molecules of water)
6 mols of water = x
1/6 = 6.02 * 10^23 / x Cross multiply
x = 6 * 6.02* 10^23
x = 3.612 * 10^24 molecules in 6 mols of water
Answer:
15 moles of hydrogen gas are needed to react with 15 moles of chlorine gas.
Explanation:
The balanced reaction is:
H₂ (g) + Cl₂ (g) → 2 HCl (g)
By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of the compounds participate in the reaction:
- H₂: 1 mole
- Cl₂: 1 mole
- HCl: 2 moles
Then you can apply the following rule of three: If 1 mole of Cl₂ reacts with 1 mole of H₂, 15 moles of Cl₂ with how many moles of H₂ does it react?
moles of H₂= 15
<u><em>15 moles of hydrogen gas are needed to react with 15 moles of chlorine gas.</em></u>
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The correct answer among the choice presented above would be option C. The solution that will have the greatest freezing point depression is <span>11 g of calcium fluoride (CaF2). This is because it has higher concentration among other solutions. Also, when it ionizes 3 ions are formed.</span>