What is the average atomic mass of chlorine if 75.8% of chlorine atoms are Cl 35 with a mass of 34.9589 amu and 24.2% are Cl 37 with a mass of 36.9659 amu? show your work. HELP PLEASE FAST!

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Which of the following words describe the reality that the universe looks the same from various perspective

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?