9 grams of a trivalent metal combines with 8 grams of oxygen. What is the atomic weight of the metal ?

A compound contains 28% of nitrogen and 72% of a metal by weight. 3 atoms of the metal combine with 2 atoms of nitrogen. Find the atomic weight of the metal.

An element X is found to combine with oxygen to form X_(4)O_(6) . If 8.4 gm of this element combines with 6.4 gm of oxygen, then calculate the atomic weight of X.

A compound contains 28% N and 72% of a metal by weight . Three atoms of metal combine with two atoms of N . Find the atomic weight of metal.

Two voltameters, one having a solution of silver salt and the other of a trivalent-metal salt, are connected in series and a current of 2 A is maintained for 1.50 hours . It is found that 1.00 g of the trivalent metal is deposited. (a) What is the atomic weight of the trivalent metal? (b) How much silver is deposited during this period? Atomic weight of silver is 109.9 g mol^(-1)

0.1 g of metal combines with 46.6 mL of oxygen at STP . The equivalent weight of metal is

A metal oxide has 40% oxygen. The equivalent weight of the metal is:

70 gms of a metal oxide on reduction produced 54 gms of metal. The atomic weight of the metal is 81. What is its valency?

Non-metals combine with oxygen to form usually

0*3605 g of a metal is deposited on the electrode by passing 1*2 amperes of current for 15 minutes through its salt solution. The atomic weight of the metal is 96. What is the valency of the metal ?

The equivalent mass of a metal is twice to that of oxygen. How many times the weight of it's oxide is greater than the weight of metal?