Question 32(multiple choice worth 1 points) [01.04]what do scientists use to measure the mass of a substance? balance graduated cylinder measuring cup scale

Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1

In 2002, the rare earth elements mine in mountain pass, california was closed because

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa