Given [h3o+] = 3.75 x 10-3m is this acidic, basic or neutral? how do you know?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

An experimental procedure requires a 10 ml of acid to be dissolved

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2