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Topic: please help  (Read 205 times)

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Offline babychico

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please help
« on: November 20, 2019, 10:59:37 AM »
I have been trying to do this calculation for a week.. I am desperate, please if you pass by help...

3.5 g of zinc metal was dissolved in dilute sulphuric acid and then made up to 509 cm3 with water. What is the percentage mass in volume composition in terms of zinc sulphate ( ZnSO4.7H2O)

Offline billnotgatez

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Re: please help
« Reply #1 on: November 20, 2019, 11:11:34 AM »
You have to show your attempts or thoughts at solving the question to receive help.
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Offline AWK

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Re: please help
« Reply #2 on: November 20, 2019, 11:49:43 AM »
The density of the solution is needed to calculate this task. You can assume that this is the density of water. Then the calculation error will be around 2%.
AWK

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