How many moles of oxygen gas occupy 67.2 L of volume at STP?
A 0.333
B 3.00
C 1.00

Which type of fossil does this image depict?

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water