Q5:Calculate the grams of each substance requied to prepare the follow. solutions:(a)250 ml of 0.1 M KOH, (b) IL of 0.0275 M K,Cr,O, .(c)500 ml of 0.05 M CUSO, Q6:How many milliliters of concentration hydrochloric acid , 38 %(wt/wt), specific gravity 1.19, are required to prepare IL of a 0.1 M solution? Q7:Calculate the molarity of each of the following commercial acid or base solutions:(a) 70% HCIO, , sp. grv. 1.668, (b)69% HNO, , sp. grv. 1.409 , (c) 85% H;PO, , sp. grv. 1.689 ,( d)99.5% HC,H;O,(acetic acid), sp. grv. 1.051, (e)28% NH3 , sp. grv. 0.898. Dilution calculation nfa solution is diluted to 500 mL, and it determ

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