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

How Many Enzymes Does A Cell Contain ? And Do They Perform The Same Function ?

How did the renaissance pave the way for the scientific revolution?

The solid has a mass of 180g. What is the density of the solid?

factor the polynomial 64x^3-125

6. Under the English Westminster model, the highest court of appeals is?

Marcia has 412 bouquets of flower for centerpieces .she uses 8 flowers for each centerpiece . How Manu centerpieces can she make

Which of the following statements is true of Singapore? A. Singapore is member of the Federation of Malaysia. B. Singapore is a major manufacturer of computer

Choose the missing number to make equivalent fractions. 7/ = 28/40 A.10 B.19 C.28 D.160

62 is 90% of what number?

Is a human skin cell prokaryotic or eukaryotic?