Ask a New Question
Search
Questions and answers by
Adalaide
Questions (5)
A 24.3g sample of a compound XO2 contains 3.365 x 10^23 oxygen atoms. Determine the molar mass in g/mol of the element X. Show
5 answers
592 views
How many moles are in 27.5 grams of LiCl? Show all work!
2 answers
367 views
Frances wanted to prepare a 0.0285M standard solution of LiCl. She weighed out 27.5g of solid LiCl. She had plenty of water
4 answers
548 views
A solid sample of a hydrate salt, NaNO3xH2O, was heated gently to drive off all the water of crystallization. Starting with a
1 answer
510 views
A 24.3g sample of a compoud XO2 contains 3.365 x 10^23 oxygen atoms. Determine the molar mass in g/mol of the element X. Show
1 answer
389 views
Answers (7)
I'm almost 100% sure it is.
Alright I have one more question. Mol X is 0.279 right?
Oh and yes I do think that this could be MnO2.
Thank you so much for this. This question confused me so much. Just one thing. Could you check my work for me? 3.365x10^23/6.022x10^23 atoms = 0.558784457 mol XO2 0.558784457 mol XO2/2 = 0.27939228mol O2 grams O2 = 0.27939228 mol O2*32.00 = 8.94055296gO2
Thank you so much for your help. Once I got the formula to convert grams to moles, this was a lot of help. But could you check my work for me? I converted the grams to moles and got 0.648737909 mol LiCl. Then I divided that by 0.0285M and got 22.76273365 L
I could I just forgot the equation. Sorry...
Well first of all you need to figure out the sales tax for one bike and one scooter .With the sales tax taken into consideration, one bike would cost $17.36. One scooter would cost $179.20. Then you need to figure out how much it would cost for 5 bikes and
