chemistry

0.4276-g sample of a potassium hydroxide – lithium hydroxide mixture requires 31.20 mL of 0.3315 M HCl for its titration to the equivalence point. What is the mass percent lithium hydroxide in this mixture?

1.) 0.03120 L x 0.3315= 0.010343 moles HCl
I'm not sure where I go from there..

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