5. The bright green crystalline solid nickel(II) chloride hexahydrate is a vital starting material in many synthesis reactions. a) Write the IUPAC formula for this compound. (1 pt) b) State the molar mass of this compound. ( 1pt) c) What is the percentage by mass of water in the compound? ( 3 pts) d) Complete the equation below to calculate the number of moles of nickel(II) chloride hexahydrate in 2.5g of the compound. Include units with every value. ( 3pts) moles= e) How many formula units of the hydrate are in this sample? [NA=6.0221023formulaunits/mol](2pts) Bonus: The rose red crystalline solid cobalt(II) chloride hexahydrate is a vital starting material in many synthesis reactions. a. Write the IUPAC formula for this compound. ( 1 pt) b. State the molar mass of this compound. ( 1pt) c. What is the percentage by mass of water in the compound? ( 3 pts) d. Complete the equation below to calculate the number of moles of cobalt(II) chloride hexahydrate in 0.16g of the compound. Include units with every value. ( 3pts) moles= e. How many formula units of the hydrate are in this sample? [NA=6.0221023formulaunits/mol](2pts).