64 g `O_(2)` is equivalent to how many moles of oxygen?

6.4 g of oxygen is equivalent to

The reaction, 2C + O_2 rarr 2CO is carried out by taking 24 g of carbon and 96 g O_2 , find out How many moles of CO are formed ?

From 200mg of CO_2, 10^21 molecules are removed. How many moles of CO_2 are left?

In alkaline medium , CIO_(2) oxidised by H_(2)O_(2) to O_(2) and itself reduces to CI^(-) ion .How many moles of H_(2)O_(2) will be oxidised by 1 mol of CIO_(2) ?

How many moles of potassium cholerete is required to produce 4.8 gm of oxygen?

If 9 moles of O_2 and 14 moles of N_2 are placed in a container and allowed to react according to the equation 3O_2 + 2N_2 rarr 2N_2O_3 The reaction proceeds until 3 moles of O_2 remain. How many moles of N_2O_3 are present at that instant.

According to the following chemical equation 2ZnS+ 3O_3 rarr 2ZnO + 2SO_2 from 100 moles of ZnS how many mole of SO_2 will be produced? (Zn = 65.5, S = 32, O = 16)

The mass of a copper coin is 3.2 g. suppose it was pure copper. How many moles of Cu atoms would the coin contain, given a molar mass of Cu of 63.54 g mol^(-1) ?

Photochemical dissociation of oxygen results in the production of two oxygen atoms,one in the ground state and one in the excited state. O_2oversethnurarrO+O^* . The maximum wavelength needed for this is 174nm. if the excitation energy OrarrO^* is 3.15xx10^-19J, How much energy in kJ/mole is needed for the dissociation of one mole of oxygen into normal atoms in ground state?

How many moles of magnesium phosphate, Mg_3(PO_4)_2 will contain 0.25 mole of oxygen atoms ?