21.82 L of 4.65 M HCl is added to 9.31 L of 8.55 M NaOH. What is the concentration of HCl in the resulting solution? **hint: make ICE table A)1.90 M

B)0.952 M

C)10.3 M

D)0.702 M

E)0.644 M

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Will mark brainliest how many electrons can be held in the energy level n = 4?

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.