What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?

What is the formal charge on the hydrogen atom in hf?

According to the periodic table, carbon has an atomic mass of 12.011 u. This indicates that the most abundant isotope of carbon is carbon-11. carbon-12. carbon-13. carbon-14.

When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following? A. positive B. negative C. balanced D. gravatational

The value of the solubility product constant for Ag2CO3 is 8.5 * 10-12 and that of Ag2CrO4 is 1.1 * 10-12. From this data, what is the value of Kc for the reaction, Ag2CO3 (s) + CrO42 - (aq) → Ag2CrO4 (s) + CO32 - (aq) A) 9.6 * 10-12 B) 7.7 C) 1.

1. What science vocabulary word explains the movement of water across a cell membrane

Problem 1: For which of the following activities might you want to hire a chemist? A. building a garage B. testing a sample of water from a well C. finding a comet D.

Why do most living things need food water and the ability to get rid of waste?

What is the effect of adding more water to the following equilibrium reaction? CO2 + H2O - > 2H2CO3

What aldol product is formed when two molecules of butanal react together in the presence of base?

A large sac that stores water, salts and other materials for the cell is called a