QuaniyahV612269 QuaniyahV612269

25-10-2022
Chemistry

contestada

What is the percent mass of 42.5 g KCl dissolved in 122.5 g water?

Respuesta :

WilloI751616 WilloI751616

25-10-2022

Answer

% mass of KCl = 25.76%

Explanation

Given:

mass of KCl = 42.5 g

mass of water = 122.5 g

Required: The % mass of KCl

Solution:

Step 1: Calculate the total mass

42.5 g + 122.5 g = 165 g

Step 2: Calculate the % of KCl

%KCl = (42.5/165)*100

%KCl = 25.76%

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