From two stock solutions, 18% and 42%, you are to prepare 1.5 L of a 34% solution. how many milliliters of each of the stock solutions do you need? i found the first stock 1000 mL of 42%, 500 mL of 18%

i need to find the mL of stock and mL of water

i cannot figure out

can someone help me please

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

What is the effect of returning nuclear reactor cooling water back into bodies of water?