Initially a beaker contains 225.0 ml of a 0.350 M MgSO4 solution. Then 175.0 ml of water are added to the beaker. Find the concentration of the final solution. What is the volume?

Which of the following is an example of a nonmetallic mineral? a. sulfur b. lead c. aluminum d. gold

Why are protons in an atom so important

What is the ph of a 1 m solution of ammonium hydroxide?

Match the bond its formula 1.___ NaCl. a. covalent 2.___CO2. b. metallic 3.___ZnCu. c. ionic

Which part of the circulatory system contains blood rich in carbon dioxide (1) arteries (2) alveoli (3) veins (4) capillaries

Which of the following pairs of elements are likely to form ionic compounds? Check all that apply. sodium and potassium nitrogen and iodine potassium and sulfur chlorine and bromine helium and oxygen magnesium and chlorine

What are some examples of things you expect to see when observing a chemical reaction?

Which of the following radioactive emissions is the least penetrating, aloha particles, beta particles or gamma rays

The three major groups p On the periodic table are the

Which of the following has the greatest mass, in grams? a. 1 atom of lead (Pb) b. 0.5 mol copper (Cu) atoms c. 0.3 mol gold (Au) atoms d. 25 atoms of mercury (Hg)