When i try to do this problem by simply using a mole ratio, wiley keeps saying it's wrong, what mistake am i making?
If 0.800 mol of liquid CS2 reacts stoichiometrically according to the balanced equation, how many moles of gaseous Cl2 are required?
CS2(l) + 3Cl2(g) → CCl4(l) + S2Cl2(l)
I just used a 1:3 mole ratio
see below.
Based on the balanced equation:
CS2(l) + 3Cl2(g) → CCl4(l) + S2Cl2(l)
The mole ratio between CS2 and Cl2 is 1:3. So, if you have 0.800 mol of CS2, you would need to multiply it by the mole ratio to find the number of moles of Cl2 required.
0.800 mol CS2 x (3 mol Cl2 / 1 mol CS2) = 2.40 mol Cl2
However, if Wiley is saying that your answer is wrong, there may be another issue. Here are a few possible mistakes you could be making:
1. Incorrect conversion factor: Double-check that you are using the correct mole ratio from the balanced equation. It should be 3 mol Cl2 / 1 mol CS2.
2. Incorrect number of significant figures: Make sure you are using the correct number of significant figures in your calculations. If Wiley is expecting a different number of decimal places, it might mark your answer as wrong.
3. Incorrect rounding: Check if you are rounding your answer properly. Make sure that you are rounding to the correct decimal place specified by the question.
4. Input error: Verify that you are entering your final answer correctly in Wiley. You might have mistakenly inputted the wrong number.
By reviewing these points, you should be able to identify any mistakes you might be making and arrive at the correct answer.