In chemistry lab student is determining the salinity of seawater using a conductivity meter. The student made standards of NaCl solutions and recorded the following data: % Salinity Conductivity (ms)
0.10 1.83
0.20 3.62
0.30 5.49
0.40 7.09
0.50 8.76

The conductance of a 10 mL sample of unknown was found to be 5.82 ms.

Required:
a. Prepare a standard curve using the data above.
b. Determine the concentration of the unknown salt solution using the standard curve.

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

An observation that requires measurement is called quantitative observable or qualitative