What is the pH of a solution with an H3O+ concentration of 5.67 x 10-4 M? a. 1.00
b. 3.25
C. -1.00
d. -3.25

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Calculate the number of moles of ethane in 100 grams

An observation that requires measurement is called quantitative observable or qualitative