If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 250 mL, what will

the molarity of the diluted solution be?

a) 0.06 M

b) 6M

c) None of the above

Which pressure measurement describes the lowest gas pressure? a.) 840 Torr b.) 1.2 atm c.) 95,000 Pa d.) none

What is the charge on the strontium ion?

Why should a minimum amount of hot solvent be used for dissolving the crude solid? Why should the recrystallized solid be washed with cold solvent?

Atom X contains seven protons and seven neutrons. Atom Z contains seven protons and eight neutrons. Which of the following statements correctly describes the two atoms? A. They are isotopes. B. They are radioactive. C.

When added to a sealed flask and heated, 6.0g of carbon and 16.0 g of oxygen react to form22.0 g of carbon dioxide. how much carbondioxide is formed when 12.0 g of carbon isreacted with 100.0 g of oxygen?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda