Atoms = 3.9 x 10. 24 atoms. 1 mole. 2. How many moles of argon are in a sample ... 6.02 x 10. 23 atoms. 3. How many moles are in 2.5g of lithium? 2.5 grams Li .
Answer:
the solvent is water and the solute is salt
Explanation:
A solute is the component in a solution in the lesser amount. In a NaCl solution, the salt is the solute. A solution may contain more than one solute.
Answer: Option E. There are covalent bonds between the hydrogen atoms
Explanation:
Explanation:
the molar mass of a compound can be caucaleted by adding the standar atomic masses.
It is endothermic and the ∆H = +393.5 kJ.