A sugar solution is 15% pure. How many grams of sugar are there in 550
grams of the solution?

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced

An electron moved from a lower energy level to a higher energy level. what most likely happened during the transition? a random amount of light was released. a fixed amount of energy was absorbed. a fixed amount of energy was released. a random amount of light was absorbed.

What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent? a. combustion b. decomposition c. single replacement d. synthesis