Item 22 A compound is isolated from the rind of lemons that is found to be...

Question

Question

Item 22 A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass

Part B How many moles of C and H? Express your answers using three significant figures separated by a comma. 0 AP O 2 ? ne, n

science chemistry

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Consider 100g of compound so it contains 88.14g of C and 11.86g H

No. of moles of C = 88.14/12=7.345

No.of moles of H=11.86/1=11.860

nc , nH= 7.345, 11.860

Add a comment

Answer 2

Similar Homework Help Questions

Item 22 A compound is isolated from the rind of lemons that is found to be...

Item 22 A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass, Part A How many grams of C and H are there in a 160.0 g sample of this substance? Express your answers using one decimal place separated by a comma. IVO AED O DI ?
A compound is isolated from the rind of lemons that is found to be 88.14% carbon...

A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass. How many grams of C and H are there in a 200.0 g sample of this substance? Express your answers using one decimal place separated by a comma. What is the empirical formula?
Part B How many moles of C and H? Express your answers using three significant figures...

Part B How many moles of C and H? Express your answers using three significant figures separated by a comma. 10 AP = 0 D? ne, ny = mol Submit Request Answer A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass.

Constants | Periodic Tabl An unknown compound contains only carbon, hydrogen, and oxygen (C,H,O.). Combustion of...

Constants | Periodic Tabl An unknown compound contains only carbon, hydrogen, and oxygen (C,H,O.). Combustion of 3.00 g of this compound produced 4.40 g of carbon dioxide and 1.80 g of water Part A How many moles of carbon C were in the original sample? Express your answer to three significant figures and include the appropriate units View Available Hint(s) Value Umits Submit Part B How many moles of hydrogen, H, were in the original sample? Express your answer to...
An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 7.00 g of this...

An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 7.00 g of this compound produced 10.3 g of carbon dioxide and 4.20 g of water. Part A How many moles of carbon, C, were in the original sample? Express your answer to three significant figures and include the appropriate units. Part B How many moles of hydrogen, H, were in the original sample? Express your answer to three significant figures and include the appropriate units.
Part D Complete the fourth row. Express your answers using two significant figures separated by commas....

Part D Complete the fourth row. Express your answers using two significant figures separated by commas. -T ? H. He mol N204, mol N2, mol H20 = Submit Request Answer Part E Complete the fifth row. Express your answers using two significant figures separated by commas. ? H Не Be mol N2H4, mol N2, mol H20 = Submit Request Answer Part F Complete the sixth row. Express your answers using three significant figures separated by commas. ? H HOLI Be...

Complete the table Mass Complete the row for KNOs Mol Volume Express your answers using three...

Complete the table Mass Complete the row for KNOs Mol Volume Express your answers using three significant figures separated by a comma Solute Solute Solution Molarity Solute 133.0 KNOs 23.0g mL 240.0 mL 0.110 м NaHCOs Solute, Molarity mol, M 56.38 0.150 м C12H22On Submit Request Answer Part B Complete the row for NalHCO Express your answers using three significant figures separated by a comma VOAEO Solute, Solube mol Review I Constants I Pem Complete the table: Mass Mol Volume...
Spring 2020. MECH 1321 - Statics <HW 224.2.6 Item 2 F-320 NM N ON cho ng...

Spring 2020. MECH 1321 - Statics <HW 224.2.6 Item 2 F-320 NM N ON cho ng and y components of the force predao Express your answer using significant es Figure Part B s y .com Enter the and components of the force separated a com (6).(5), Subm Item 2 - 320 N. on the post into it 420 N 620 N and components resolve each force acting que 1) Enter the and y components of the force separated a comma...
Consider the unbalanced equation for the combustion of hexane: aC6H11 (9) + 302(g) + CO2(g) +...

Consider the unbalanced equation for the combustion of hexane: aC6H11 (9) + 302(g) + CO2(g) + SH2O(g) Part A Balance the equation. Give your answer as an ordered set of numbers a, 8, 7,... Use the least possible integers for the O AO ? a, B. 7. 8 = Submit Request Answer Part B Determine how many moles of O2 are required to react completely with 6.3 mol CH14- Express your answer using two significant figures. AED EME? n =...

You may want to reference (Pages 295-299) Section 7.4 while completing this problem. 2.9 molN24 Express...

You may want to reference (Pages 295-299) Section 7.4 while completing this problem. 2.9 molN24 Express your answer using two significant figures. Calculate how many moles of Nis form when each quantity of reactant completely reacts according to the equation: 3 N214(1)→ 4NIN) + N2/8) moles Nih formed = Submit Request Answer Part B 3.65 molN2114 Express your answer using three significant figures. moles Nih formed = Submit Request Answer - Part 65.3 g 14 Express your answer using three...

Item 22 A compound is isolated from the rind of lemons that is found to be...

Homework Answers