asdfasdgg2507 asdfasdgg2507

09-11-2017
Chemistry

contestada

If you dont know the percent composition of a substance, can you determine its molecular formula

Respuesta :

cbee9899 cbee9899

09-11-2017

The percent composition only gives you the empirical formula. In order to find the molecular formula you need the molecular mass of that substance.

Answer Link

Otras preguntas

b)Consider the following reactions:1) 2NO2-N204ii) 2Cro42- + 2H+Cr2O72- + H2OIdentify which of the following reactions are redox reactions. Justify your answer.

PLEASE I NEED HELP!!. i don't know how to do this.

¿de qué manera mejora la política y el ejercicio de la actividad en la ley 20870 (sanción de pérdida en el cargo)? ¿de qué manera mejora la política y el ejerci

The prepositional phrase "in the morning" in sentence 8 is an example of a misplaced modifier. a rhetorical device. a verb. a faulty comparison

An investment project provides cash inflows of $615 per year for eight years. a. What is the project payback period if the initial cost is $1,750

Barredo Corporation's relevant range of activity is 3,000 units to 7,000 units. When it produces and sells 5,000 units, its average costs per unit are as follow

Brandon bought a book that originally sold for $18 on sale for 30% off. He paid a sales tax of 8%. To the nearest cent, what was the total cost of the book?

If f(x) = 11x – 5, then f^-1(x)=

PLZ HELP, AND PLZ EXPLAIN!

Q: What was one of the political obstacles in completing the Panama Canal? Select one: O a. President Roosevelt was hesitant to start this project. O b. There w