britneyeluv britneyeluv

23-12-2016
Chemistry

contestada

How many moles of Na2Cr2O7 contain 14 moles of oxygen atoms?

Respuesta :

meerkat18 meerkat18

26-12-2016

Usually I just multiply moles by the subscripts which works. Doesn't make it the true chemical formula, but whatever. 2(Na2Cr2O7) Na4Cr4O14 All we care about is the oxygen. 2(O7)=O14 So I would say 2 moles of Na2Cr2O7 contains 14 moles of oxygen.

Answer Link

Otras preguntas

If the molarmass of oxygen is 16 g/mol how many moles does that represent

How do the children light the fire ? The lord of the flies ?

How Do You Do This?????????????????????

What is 1/6 of 72? .

How do the ongoing processes of scientific investigation and technological design interact with each other? a.Scientific investigation discovers new information

Which of the following were true of the tribes of the Great Basin? SELECT MORE THEN ONE A:They included the Cheyenne, Comanche, and Sioux. B:Many were part of

How do plasma proteins such as albumin regulate the amount of drug circulating in the blood?

One significant effect of the glorious revolution in america was to

The parking lot has sixty-six parking spaces numbered 1 to 66 there are no cars in the parking lot when Jillian pulls in and randomly Parks what is the probabil

a. True b. False to be charged as an accomplice, there must be independent evidence connecting the defendant with the commission of the offense.