Question

1- Calculate the following:

A- Number of moles in 10 gram of AlBr3.

B- Number of Atoms in 10 gram of Al(OH)3.

C- Number of molecules in 10 gram of Cr(NO3)5.

D- Number of grams in 10 10 atoms of AlBr3.

Answer 1

A : 0.038 m

B : 7.72$\times$ 10$\wedge$22

C : 2.53$\times$ 10$\wedge$22

D : 44.16$\times$10$\wedge$-22