I need help! What is the percent by mass (m/v) of a solution with 1.56 g of benzene dissolved in
gasoline to make 998.44 mL of solution? (density of gasoline = 0.7489 g/mL)

the product of the pressure and volume is also constant

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

the answer is 0.42 is that is an option. this question provides no info