Kien

12.976 g of lead combines with 2.004 g of oxygen to form PbO2 . PbO2 can also be produced by heating lead nitrate and it was found that the percentage of oxygen present in PbO2 is 13.38%. With the help of given information,illustrate the law of constant c...

Suppose the elements x and y combine to form two compounds xy2 and x3y2. When 0.1 mole of xy2 weighs 10g and 0.05 mole of x3y2 weighs 9g, the atomic weight of x and y are a) 40,30 b) 60,40 c) 20,30 d) 30,20

B:3 and You multiply the number and add the decimal and put it on the answer you got.