For a half-reaction in an acidic solution, which substances should you add to balance the equation? h+  and h2oh+  and oh−h2o and no2oh−

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 type of matter is made of only one kind of atom

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid