When 15 grams of salt dissolve in 45 grams of water, what is the resulting mass of the mixture? the resulting mass would be 60 grams. the resulting mass would be 45 grams. the resulting mass would be 65 grams. the mixture would need to be measured to determine the mass.

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume