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anonymous
 3 years ago
Calculate the mass of KCl required to make 250g of a 5% (w/w) KCl solution
&
Calculate the volume in mL of a 3M HCl solution that contains 0.430 mol HCl
Thanks.
anonymous
 3 years ago
Calculate the mass of KCl required to make 250g of a 5% (w/w) KCl solution & Calculate the volume in mL of a 3M HCl solution that contains 0.430 mol HCl Thanks.

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0If someone could walk me through these that'd be great.

JFraser
 3 years ago
Best ResponseYou've already chosen the best response.1For #1, the total mass of the solution should be 250g. 5% of that mass should be made up of KCl (solid). The remaining mass is the water that the salt gets dissolved into. Find 5% of 250g.
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