Question

answer all 4 please!!!

What volume of a 0.263 M perchloric acid solution is required to neutralize 22.5 mL of a 0.150 M calcium hydroxide solution? mL perchloric acid What volume of a 0.122 M potassium hydroxide solution is required to neutralize 16.2 mL of a 0.288 M hydrochloric acid solution? mL potassium hydroxide An aqueous solution of calcium hydroxide is standaridized by titration with a 0.199 M solution of hydroxide acid. If 12.6 mL of base are required to neutralize 24.1 mL of the acid, what is the molarity of the calcium hydroxide solution? M calcium hydroxide An aqueous solution of hydrobromic acid is standard by titration with a 0.190 M solution of sodium hydroxide. If 29.5 mL of base are required to neutralize 21.1 mL of the acid, what is the molarity of the hydrobromic acid solution? M hydrobromic acid

Answer 1

We know -tr,at, at the men太 olenhan No. sConcntralionX L) (I) o 63 M Ca(OH)2. chlosic acid Mı = o.ZL3M 2. V) = 12.83 mL (&) 0,aaM KoH is KoH MI = 0-122 M 匕 M 2, 0, 288 M V2 = 16.2mL

ht the neutrali 0 122 VIE 38 . 24 mL 3) caCoH) M,こ 7 = 0,199 M 24.1 义 NaOH M 120 M 2.

ft加 2- M2. = o.a65M ,