Find the weighted average for the three following isotopes: Isotope 1: mass = 80 amu, percent abundance dance=30\% Isotope 2: mass = 60 amu, percent 1dance=40\% Isotope 3: mass = 85 amu, percent abundance 1dance=30\%

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape