Asaline solution contains 1.6 % nacl by mass. how much nacl is present in 57.2 g of this solution?

0.92 g

Explanation:

Given data:

Percentage of NaCl = 1.6%

Amount of NaCl present in 57.2 g = ?

Solution:

1.6% of 57.2 g NaCl:

1.6/100× 57.2 g

0.92 g

So in 57.2 g 1.6% of NaCl is 0.92 g.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements