2Li+2H2O—>2LiOH+H2 Calculate the mass of reacted lithium when H2 is 6.02 * 10 ^ 23 molecules.
I really need the answer with all the calculation please.

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.