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A trivalent metal oxide contain

A trivalent metal oxide contain s 31.6% of oxygen . What is atomic mass of that metal ?
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2. asked by puja
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2.08g of metal Y react with 0.96g of oxygen to form a metal oxide.The empirical formula of the metal oxide is Y2O3.What is the
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2. asked by mandy
3. 945 views
0.318g of an oxide metal M was completely reduced by hydrogen gas to 0.254g of metal.Calculate the empirical formula of metal
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2. 131 views
1. A current of 3.0A deposited 2.0g of a metal in 20 minutes. (a) calculate the mass of the metal deposited by 1 faraday. (b)
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2. asked by Rich
3. 1,071 views
2.241 g sample of nickel combines with oxygen to produce 2.852 g of metal oxide.Calculate the number of grams of xygen in the
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2. asked by Julie
3. 1,891 views
When 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. How do you determine what the
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2. asked by Josh
3. 2,576 views
5.0g of an oxide of a metal n gave 4.0g of the metal when reduced with hydrogen what is the empirical formula of the oxide.
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2. asked by David
3. 140 views
In an experiment 1.015 g of a metal carbonate, containing an unknown metal M, is heated to give the metal oxide and 0.361 g CO2.
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2. asked by Noelle
3. 811 views
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
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2. asked by sylvia
3. 3,194 views
0.356 grams of an unknown metal reacts with oxygen to form 452 milligrams of the metal oxide. Identify the metal
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2. asked by Kamal
3. 1,197 views