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%
Answer:
Are less reactive
Explanation:
Alkaline-earth metals are to the right of alkali metals.
Answer:
si. en los atomos los protones y los electrones llevan cargas electricas
