Answer to Question #300251 in General Chemistry for Cassie

General Chemistry

Question #300251

110 g of manganese was extracted from 174 g of manganese oxide. (Ar: Mn=55, O=16)

a) What mass of oxygen atoms is this?

Expert's answer

Mass of oxygen ;

(174-110)g = 64

64÷ Molar mass of oxygen

(64÷16)= 4

mass of oxygen= 4g

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. 1. How many grams of BaCl2 should be added to 300 g H2O so that the freezing point of the s
2. The equilibrium constant, Kc, for the following reaction is 7.00×10-5 at 673 K.NH4I(s) NH3(g)
3. The equilibrium constant, Kc, for the following reaction is 1.29×10-2 at 600 K.COCl2(g) CO(g)
4. a farm worker is exposed to trifluralin, a commonly used pesticides while working in the fields. Cal
5. Describe how to prepare 250 cm3 of sodium carbonate solution at a concentration of 0.5 mol dm-3 supp
6. The equilibrium constant for the production of ammonia, used as fertilizer, is 3.65x 108 at 25 ⁰C.
7. The method for removing toxins in cycad fruit that was used by the Aboriginal and Torres Strait Isla