Properties of alkali metals and alkaline earth metals, such as reactivity, are determined by?

0.09 moles of sodium sulfate in 12 ml of solution

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest