When marco is sick, he tests the ph of his saliva and finds that it is 5.9. what is the hydrogen ion concentration of his saliva? (round your answer to seven decimal places.) ?

If you are mixing a solution in a spray bottle with 15 ounces of water, how much chlorine do you need to add for the correct ratio?

The molar mass of lif is 25.94 g/mol. how many moles of lif are present in 10.37 g?

Which of the following would have the highest vapor pressure?

Which of the following statements about science is true? - science is built on opinions and assumptions - science is tested by experimentation - science tests the validity of art, philosophy, and religion - science does not change once an answer is

How do you make chloroquine from Quinoline

As you move from left to right across the periodic table, the atomic numbers increase decrease stay the same are random

Use the octet rule to predict the formula of the compound that would form between fluorine and iodine, if the molecule contains only one fluorine atom and only single bonds are formed.

64.0 grams of Sulfur Dioxide absorbed 5.00 kJ of heat and immediately evaporated. With this information, calculate its molar enthalpy of vaporization in units kJ/mol.

Which of these is not a biomass source? A) Sun B) Manure C) Wood chips D) Paper

a mug of boiling hot water sits next to a glass of ice water how does the movement of water molecules change in each case?