An atom of sodium (na has 11 protons. what is its approximate atomic mass?

Which statement correctly describes a solution with a pH of 9? (1) It has a higher concentration of H3O + than OH - and causes litmus to turn blue. (2) It has a higher concentration of OH - than H3O + and causes litmus to turn blue.

Analysis: The limiting reactant (s) appeared to be because

Is Neon a metal, nonmetal, or a metalliod

Compare and Contrast the differences between plant cells animal cells.

Suppose 'Solution A' has a pH of 3, 'Solution B' has a pH of 7, and 'Solution C' has a pH of 10. If solution B contains 10,000,000 H + ions in a given volume, how many ions will each of solution A and solution C have in equal volumes?

Express this amount in dozens. (Use decimal form.) 75 pies

A series circuit has two 5.0-ohm resistors and a power source of 9.0 volts. How will the current be affected and what will it be if another resistor (with a resistance of 7.5 ohms) is added to the circuit? A. increase; 0.51 amps B. increase; 0.

Which type of reaction will occur when equal volumes of 0.1 M HCl and 0.1 M NaOH are mixed 1. Neutralization 2. Ionization 3. Electrolysis 4. Hydrolysis

What is molarity of heavy water?

Do all liquids freeze at the same rate