An aquarium contains 3.6g NaCl per 100g of water. What is the mass percent of NaCl in the solution? 1)3.60%
2)3.47%
3)0.96%

Where are chemicals found at work? a. only in cleaning products b. only in carpets and paint c. in every area of work d. only in food preparation submit

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Ineed to find the answer of this question because i dont understand it