Answer:
0.0589 M
Step-by-step explanation:
Using M1*V1=M2*V2 we can solve.
M1 is unknown
V1 is 20.0 mL
M2 is 0.110M
V2 is 10.7 mL
10.7*0.110= 1.177 then divide by 20.0mL and your answer should be 0.05885M but applying correct significant figures your answer is 0.0589