# fountain of knowledge international academy

A metal x with relative atomic mass of 56forms an oxide with formul X2O3 .How many grams of the metals will combine with 10g of oxygen
Ethane burns completely in oxygen according to the equations below
C2H6+7¡2O2~2CO +3H2O what is the amount in moles of carbon (iv)oxide will be produced when 6•0g of ethane are completely burnt in oxygen

1. 👍 0
2. 👎 0
3. 👁 1,216
1. Your school subject seems to be chemistry.

1. 👍 1
2. 👎 0
👩‍🏫
Ms. Sue
2. 4X + 3O2>>2X2O3

well, four moles of X will react with three moles of O2.

moles O2= 10g/32g= 10/32
so we need 4/3 of 10/32 or
40/96 moles of X. What is the mass of that? 56*40/96

1. 👍 2
2. 👎 0
3. IT IS QUIT CORRECT

1. 👍 0
2. 👎 0

## Similar Questions

1. ### CHEMISTRY

A solution of a metal carbonate M2CO3, was prepared by dissolving 7.46 g of the anhydrous solid in water to give 1000cm^3 of solution. 25.0cm^3 of this solution reacted with 27.0cm^3 of 0.100 mol/dm^3 hydrochloric acid. Calculate

2. ### chemistry

If the formula of a oxide is X2O3, what is the formula of the chloride of X? (A) XCl3 (B) XCl (C) X3Cl (D) XCl6

3. ### Chemistry, Urgent!

How is this question solved?! When 21.6g of a metal X are burned in excess oxygen, 40.8g of X2O3 are formed. From this data, what is the metal X?

4. ### Chemistry

0.222g Of A Divalent Metal Is Deposited When A Current Of 0.45 Amperes Is Passed Through A Solution Of It's Salt For 25 Minutes Using Appropriate Electrodes. Calculate The Relative Atomic Mass Of The Metal. (1 Faraday =96500c/mol)

1. ### Chemistry

A particular metallic element, M, has a heat capacity of 0.36 J*g*K, and it forms an oxide that contains 2.90 grams of M per gram of oxygen. (a) Using the law of Dulong and Petit (Cp x M = 25 J*mol*K), estimate the molar mass of

2. ### chemistry

iridium has two isotopes. with mass numbers 191 and 193, and its average relative atomic mass is 192.23.calculate the relative abundances of the two isotopes

3. ### chemistry

when aluminum metal reacts with iron (III) oxide to form aluminum oxide and iron metal, 429.6 kJ of heat are given off for each mole of aluminum metal consumed, under constant pressure and standard conditions. What is the correct

4. ### Chemistry

The steps to getting the answer. A certain metal oxide has the formula MO where M denotes the metal. A 39.46g sample of the compound is strongly heated in an atmosphere of hydrogen to remove oxygen as water molecules. At the end,

1. ### Chemistry

0.222g of a divalent metal is deposited when a current of 0.45ampere is passed through a solution of salt for 25min. Calculate the relative atomic mass of the metal

2. ### Chemistry

A metal x with relative atomic mass 56 form an oxide with formula X2 O3 how many grams of metal will combine with 10g of oxygen:?(O=16)

3. ### Chemistry

Bauxite ore contains aluminum oxide Al2O3(s) which is decomposed using electricity to produce aluminum metal and oxygen gas. What mass of aluminum metal can be procuced from 155g of aluminum oxide?

4. ### chemistry

the compound al2o3 contains 53% metal ,what is the relative atomic mass of aluminium