Which of the following formulas represent acids? Select all that apply. a. NaOH
b. HCI
c. H2SO4
d. Ca(OH)2
e. KOH
f. HNO3

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .

Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g