## Question

###### Of O, reacted with ne Na? (b) What mass of Na reacted? (c) What mass of...

of O, reacted with ne Na? (b) What mass of Na reacted? (c) What mass of Na,O formed? When aluminum metal is exposed to oxygen coating of aluminum oxide forms on the surf aluminum. The balanced equation for the reaction of aluminum metal with oxygen gas is 22 Limitin 6.29 4Als) +302(g) 2ALO3(s) Suppose a sheet of pere aluminum gains 0.0900 g of mass when exposed tn air. Assume that this gain can be attributed to its reactio with oxygen. (a) What mass of O2 reacted with the Al (b) What mass of Al reacted? (c) What mass of Al,0, formed? Diiodine pentoxide is used in respirators to remo 6.30 6.31 monoxide from air:

## Answers

Ans 22 :

a) Since the aluminium sheet gained the mass =0.0900 g , so the mass of oxygen reacted will also be sam , i.e. 0.0900 g.

b) Number of moles of oxygen = 0.0900 / 31.99 = 0.0028 moles

3 moles of O2 requires 4 moles of Al

So 0.0028 moles of it will require ( 0.0028 x 4) / 3

= 0.0037 moles

Mass of Aluminium reacted = 0.0037 x 26.98

= 0.099 grams

c) The mass of Al2O3 formed will be = 0.0900 + 0.099 = 0.189 grams

#### Similar Solved Questions

1 answers

##### What are the solutions to 10(sec^2)x+5(tan^2)x-15=0 over the interval (0,2pi)?

What are the solutions to 10(sec^2)x+5(tan^2)x-15=0 over the interval (0,2pi)?...

2 answers

##### I need to know if my paper is in order and is grammatically correct

i need to know if my paper is in order and is grammatically correct.Symbolism, 1the use of symbols to invest things with a representative meaning or to represent something abstract by something concrete, is used in novels and stories by authors worldwide. Why do authors choose symbolism? Symbolism i...

1 answers

##### The pH of an aqueous solution of 8.80x102 M hydroselenic acid, H, Se (aq), is For...

The pH of an aqueous solution of 8.80x102 M hydroselenic acid, H, Se (aq), is For H,Se K 1 = 1.30-10-4 and K 2 = 1.00*10-11...

1 answers

##### What is Molecular formula of co2 when c is 12 o is 16?

What is Molecular formula of co2 when c is 12 o is 16?...

1 answers

##### OMG Corporation just paid a $2.90 annual dividend on each share. It is planning on increasing...

OMG Corporation just paid a $2.90 annual dividend on each share. It is planning on increasing its dividend by 15 percent a year for the next 4 years. The corporation will then decrease the growth rate to a rate of 6 percent per year, and keep it that way indefinitely. The required rate of return is ...

1 answers

##### Expand and simplify (√3+√15)² Give the answer in the form a+b√3 where a and b are integers. Any help?

Expand and simplify (√3+√15)² Give the answer in the form a+b√3 where a and b are integers. Any help?...

1 answers

##### Is clostridium sporogenes a psychroduric mesophile or a mesophile?

Is clostridium sporogenes a psychroduric mesophile or a mesophile?...

1 answers

##### Costs per Equivalent Unit Georgia Products Inc. completed and transferred 199,000 particle board units of production...

Costs per Equivalent Unit Georgia Products Inc. completed and transferred 199,000 particle board units of production from the Pressing Department. There was no beginning inventory in process in the department. The ending in-process inventory was 17,000 units, which were 4/5 complete as to conversion...

1 answers

##### Three identical point charges, Q = +5 C are placed at the vertices of an equilateral...

Three identical point charges, Q = +5 C are placed at the vertices of an equilateral triangle as shown in the figure. The length of each side of the triangle is d = 1.5 cm I think the answer is 3.46E7 upwards but I'm not sure SECTION B Do all the Problems) 1) Three identical point charges, Q +5H...

1 answers

##### ENGR 115 Week 5 Practice Exercise 11 Name AC, and AD SO 3. Determine the maximum...

ENGR 115 Week 5 Practice Exercise 11 Name AC, and AD SO 3. Determine the maximum weight of the crate that can be suspended from cat that the tension developed in any one of the cables does not exceed 250 lb. с 3 ft 6 ft 40 3...

1 answers

##### Ian 0 0 0... on (22 0... 0 a contrata estona mano - ( 4. Under...

Ian 0 0 0... on (22 0... 0 a contrata estona mano - ( 4. Under what conditions will the diagonal matrix A= lo 00... anal be invertible? Now, assume that is invertible and find its inverse. Use your results to find the inverse of A = 7 0 0 0 V2 01. 10 0 9 5. True or False : ICAX = BX then A= B....

2 answers

##### How do you solve #\frac { 1} { 4} ( 5x + 4) - \frac { 22} { 3} = \frac { 14} { 3}#?

How do you solve #\frac { 1} { 4} ( 5x + 4) - \frac { 22} { 3} = \frac { 14} { 3}#?...

1 answers

##### You are accompanying your friend while she does her shopping. Before long, she asks you to help her carry her bags and SUDDENLY plops one of her bags in your arms; it is MUCH heavier than you thought...

You are accompanying your friend while she does her shopping. Before long, she asks you to help her carry her bags and SUDDENLY plops one of her bags in your arms; it is MUCH heavier than you thought and you almost collapse under the sudden weight. Explain how the muscles, spindles, Golgi Tendon Org...

1 answers

##### • Explain the three accounting changes and correction of an error and the method used to...

• Explain the three accounting changes and correction of an error and the method used to disclose each one. • Explain four differences by account between U.S. GAAP and IFRS....

1 answers

##### 4. Leo just got a job at a consulting firm. He is happy that he's got...

4. Leo just got a job at a consulting firm. He is happy that he's got a job, but does not really feel like working too hard. His supervisor Arnold is well aware of that fact. Arnold can either come in to control what Leo is doing or enjoy another coffee break. Leo on the other hand can either sh...