Commercially available concentrated hydrochloric acid contains 38% HCl by mass.(i) What is the molarity of the solution (density of solution = 1·19g cm-3)?(ii) What volume of concentrated HCl is required to make 1·0L of 0·10 M HCl?
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Commercially available concentrated hydrochloric acid contains 38% HCl by mass. (i) What is the molarity of the solution (density of solution = 1·19g cm-3)? (ii) What volume of concentrated HCl is required to make 1·0L of 0·10 M HCl?
(i) 38% HCl by mass means that 38g of HCl is present in 100g of solution. Volume of solution
Moles of HCl =
Molarity =
(ii) By applying normality equation,
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