Mass box A= 10 grams: Mass box B=5 grams; Mass box C-made of one A and one B
How many boxes of A would be required to make 30 grams of C?
0.5
2
1
1.5

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Which fact represents evidence for the big bang theory?