please help me answer these chem questions i really, really need some help please! and i dont have many questions left that's why im using this format, thank you so much!!

4. What is tha nonecotation of a salution if 25.1mL af 200 mal 2 NaCliar s diluted to a new walume af 125mL ? 0.1JUmeliL10.3mcliL0.53melL100mL 30. A kalc armaothis has a [OH]=0,0000030 molit. What is ita pH ? 8.5 16. A fou erysta a of KClg) is drmppod in to an aquanus KClan) solutinn. That erysial s of KCligs) fall to the botton of the solutizn aven afier stiming. Than rriginal solutisn is. said to to ..... saturated supersaturatad hanmocrous scturatod realts of these teats mompared with the reallas of similar tosta using sompia salition rould ho Sndum rydroxidn Sulturous scin Sndium chlar do Mathanol 18 Appla prowess in Rritish Houmbis's tkkngn Vallay sametimesa han dramatis ircresen in the aridity of the regirn's sol. Nitrogen fartligers are ano of the main nases of tha high soidity lewol of the soil. To sslve this problam, Agrisulturn Canadia has suggnstand that appln growars wask limn (also callar onlrium hydroxida) into the sail in their orcharda hnosuse lime s sti scid sreutialmeleds onmpornd s treap 36. Calculate the pH of a solution with a hydronium ion concentration of 0.00128mol/L 2. Which of the following is NOT true? * decreasing the surface area of the solute decreases the rate of dissolving stirring a solution will decrease the rate at which a solid solute dissolves for a gaseous solute, cooling the solvent increases the rate of dissolving increasing the temperature of the solvent speeds up the rate of dissolving 24. For an acidic solution, which of the following is true? * A. [H3O+(aq)]1.0107mol/L C D B A uad x chain 1his aor p la o :ip:1 ' induscos ond rder , tol , =im 3.in stuzo.6 solvikn Is cn: n whish th mintirnain. -165:- V1E1 165 42.-118: - wile ita d asuleseclentec follyandadia Ax=51116 1.0x=1cxL 1.7x2=z10 echicuatio: A. Sodium hydruxidn is. Aluminum chloride C. Ammoniun phosphate D. L.ithium sulphate - Blime il 2: in h atal e:riat "teen 11:11IH:10cos5sir Id 115016luan -1SSSLIV