Calculate the density of subtance in 2,500cm/3 flask that is full to capasity with 0.36 of subtance note : 2,500cm the 3 is on the top of 2,500 (cm )

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Ab c or d ? i’m not sure what the answer is