Can someone help me to answer this correctly, please, and explain it. Please answer these 2 short questions, I don't have more money to buy more questions. These 2 questions are different.

1. a.

1. b.

The compound cobalt (II) sulfate forms a hydrate with six water molecules per formula unit. What are the name and formula of the hydrate? Name: Use an asterisk to enter the dot in the formula. Formula: It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). Write an equation that shows the dehydration of sodium sulfite heptahydrate. Use an asterisk to enter the dot