What is the molar mass for the following compound, rounded to the nearest gram? Na2S2O3

The compound zinc fluoride is a strong electrolyte. write the transformation that occurs when solid zinc fluoride dissolves in water.

A scientist discovers a new type of polymer. What must be true about this polymer? A. It contains carbon atoms arranged in a ring structure. B. It has double bonds between all the carbon atoms. C. It contains molecules of many different types. D.

During which process does the addition or loss of thermal energy change the arrangement of the particles? A conduction B radiation CDa change of state

Elements from which two families would most likely combine with each other to create salts?

7. How many moles of FeCl3 are needed to produce 805 grams of MgCl2? A. 157 moles B. 450 moles C. 5.64 moles D. 7.35 moles

What is the (H+), if the pH of a solution is 3.20?

In an open system, the vapor pressure is equal to the outside air pressure. T or F?

Could acetic acid be used in the esterification, instead of acetyl chloride? Why or why not?

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Sodium (Na) reacts with chlorine gas (Cl2 ) to form sodium chloride (NaCl) as shown in the equation: 2Na + Cl2 → 2NaCl If 4 moles of chlorine gas react, how many moles of sodium will react?