1- What volume of 0.200 M HCl solution is needed to neutralize 25.0 mL of 0.150 M NaOH solution? 2- What volume of 1.00 M NaOH is required to neutralize 35.0 mL of 0.220 M sulfuric acid, H2SO4?
3- What volume of 1.00 M NaOH is required to neutralize 0.0100 L of 0.143 M phosphoric acid, H3PO4?
4- What volume of 1.000 M Ca(OH)2 is needed to neutralize 45.0 mL of 0.400 M HCl?
5- What volume of 0.204 M H3PO4 can furnish the same number of moles of H+ ions as
61.2 mL of 0.800 M HCl?

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

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.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa