29. A sample of a substance is found to contain 42.59% Na, 12.02% C, and 44.99% 0. What is the empirical formula for the substance?

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

The identities of substances are the same before and after which type of change