Question

A solution of salt and water contains 60 grams of water per 120 milliliters of the solution. If 1 mole of water weighs 16 grams, _____ moles of water would be present in 40 milliliters of the solution. [Round off your answer to two decimal places]

Answer 1

here is a screen shot of the q...

Answer 2

need help

Answer 3

do you know the answer cause i don't ha

Answer 4

so is it 1.25 moles?

Answer 5

@Calvin3 There are 60 grams in 120 mL so multiply by 40 mL over 1 to cancel our the mL. Then, multiply by 1 mole over 16 grams(there is 1 mole in 16 grams) to cancel out the grams, giving you 2400 moles over 1920. Divide and you get 1.25 moles.

Answer 6

@Calvin3 I would be good to get someone to confirm the answer, but I believe so.

Answer 7

ok

Answer 8

@iGreen

Answer 9

can you confirm the answer plz

Answer 10

That looks right to me.

Answer 11

ok thx