ntIn a experiment, 4g of M2Ox oxide was reduced to 2.8g of metal. If he atomic mass of the metal is 56g, the number of oxygen atoms in the oxide is?n

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Q. In an experiment, 4 gm of

M_{2} O_{x}

oxide was reduced to 2.8 gm of the metal. If the atomic mass of the metal is 56 gm/mol, the number of oxygen atoms in the oxide is:

Q. In an experiment 4 gm of

M_{2} O_{x}

oxide is reduced to 2.8 gm of metal. If the atomic wt Of metal is 56 gm/mol. Find the number of oxygen atoms in the oxide.

Q. A metal oxide contains

70 %

metal. If atomic weight of the metal is 56, empirical formula of the oxide is:

On being heated in oxygen 5.72 g of red metallic oxide A was converted to 6.36 g Black metallic oxide B. When 4.77 g of B was heated in a stream of H₂ gas, 3.81 g of metal M was formed. ( Atomic weight of metal is 63.50 g) Find

The formula of Red metallic oxide A .....

The formula if Black metallic oxide .....

The equivalent weight of metal M in B .....

Q. A metal oxide has the formula

X_{2} O_{3}

. It can be reduced by hydrogen to give free metal and water.

0.1596 g

of metal oxide requires

6 m g

of hydrogen for complete reduction. The atomic mass of metal in amu is

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