Suppose a mixture contains two isotopes of fictitious element "A" shown below. 45 A 45 A and 46 A 46 A In the mixture 33% are 45 A 45 A and 67% are 46 A 46 A . What is the relative atomic mass for element "A"? Show your work below.

How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive

Which of the following is a chemical property of water at 4 c