Fast-Brainiest-45 PTS- multiple choice A scientist dissolves 6 tablespoons of salt into 9 ounces of water and colors the water green. She then dissolves 2 tablespoons of salt into 9 ounces of water and colors the water yellow. Which is more dense? The yellow or blue water?

A. green
B. yellow
C. they have the same density because the salt dissolves
D. hard to tell because green and yellow make blue

What is the mass of 8 moles of sodium atoms

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]