0,4 mol of X2CO3 compound is 42,4 grams. What is the atomic weight of X? ​

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

How have the greenhouse gasses increased from the year 2000 to 2018

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.