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17 June, 15:56

Find out the mass of hydrochloric acid that will react with 20g of sodium hydroxide

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  1. 17 June, 15:59
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    18.25g

    Explanation:

    First, we need to generate the equation for the reaction between hydrochloric (HCl) acid and sodium hydroxide (NaOH). The equation is given below:

    HCl + NaOH - > NaCl + H2O

    Next we determine the molar mass of HCl and NaOH as shown below

    MM of HCI = 1 + 35.5 = 36.5g/mol

    MM of NaOH = 23 + 16 + 1 = 40g/mol

    From the equation,

    36.5g of HCl reacted with 40g of NaOH.

    Therefore, Xg of HCl will react with 20g of NaOH i. e

    Xg of HCl = (36.5 x 20) / 40 = 18.25g

    Therefore 18.25g of HCl will react with 20g NaOH
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