in order to make 0.100 L of a 6.0 M solution of H2SO4, how many grams of H2SO4 must be weighed out? Assume a molar mass of 98.1 g/mol and give the answer to 2 significant figures.
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Expert's answer
2019-08-13T03:21:07-0400
Let's found how many moles of H2SO4 are there in 0.1L of 6.0M solution:
ν=C∗V=6∗0.1=0.6(moles)
Find the mass of 0.6 moles of H2SO4:
m=ν∗M=0.6∗98.1=59(g)
Answer: 59 g of H2SO4 must be weighed out in order to make 0.100 L of a 6.0 M solution.
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