All elements are pure substances.
Data:
weight of water before heating = 0.349
weight of hydrate before heateing = 2.107
Formula:
Weight percent of water = [ (weight of water) / (weight of the hydrate) ] * 100
Solution:
Weight percent of water = [ 0.349 / 2.107] * 100 ≈ 16.6 %
Answer: 16.6%
<h2><em>It is True that every bronsted-lowry acid is also a lewis acid </em></h2>
True, because the large covalent molecules would combine with the others
