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

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

How many moles of al3+ ions are in 1.25 moles of al2o3