Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation: ()Na2HPO4 → ( )Na4P2O7 + ( )H2O

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?