Question

3) 0.5 N, atoms 4) 3 N atoms
1) According to the given reaction, 1 atom of
A reacts with 1 molecule of B2.
200molecules of B2 will react with 200
atoms of A, thereby leaving 100 atoms of
A unused. Hence, B, is the limiting reagent.
3) Element % %/At.wt. Ratio​

Answer 1

$\huge\boxed{\underline{\mathcal{\red{❥A}\green{N}\pink{S}\orange{W}\blue{E}\purple{R}}}}$

Sea water is a mixture of salts and water which cannot be separated except by evaporation. Therefore, sea water is considered homogeneous.

Sea water also contains mud, decayed plant, etc., other than salts and water, so it is heterogeneous also.