WILL GIVE BRAINLIEST!! When salt is added to the solution, it dissolves into its component ions. How did this seem to affect the compound formed on the egg shell?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?