A 55.0 grams sample of strontium arsenite is mixed with 65.0 grams of chromic acid in a double replacement reaction form strontium chromate and arsenous acid. After the reaction
was performed, 45.7 g of the actual strontium chromate were collected.

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore