4.3gram of (vi)(Na2So4.xH2O) was heated to remove the water of crystallization. The remaining are hydrous salt had a mass of 2.12gram. Calculate the value of x in the salt(Na=23, S=32, O=16, H=1)

Pauling and lewis questioned the extreme definitions of bonds. they wondered if bonds might be described somewhere in between the two extremes (covalent and ionic). on the basis of experimental data,pauling confirmed that bonds could be ionic, covalent, and for those, in between, exhibit a degree of ionic character. he theorized that the major factor was how strongly the atoms in the bond attracted the electrons. pauling called this factor - the tendency of an atom to attract electrons in a bond.

What is the molar mass of ca(cio4)2

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.