A solution contains 4 grams of sodium hydroxide in 250ml of solution . If Na=23, O=16, H=1 and
1cm3
of water weighs 1g, what isthe concentration of the solution in grams per
dm3
?
12
14
16
18
1
Expert's answer
2015-10-22T08:59:55-0400
A solution contains 4 grams of sodium hydroxide in 250ml of solution. 1 cm3 of H2O = 0.01 dm3 H2O m(NaOH) = 4 g V(Solution) = 250 mL = 0.25 dm3 w(NaOH) = m(NaOH)/ V(Solution) = 4/0.25 = 16 g/dm3
Answer : The concentration of the solution is 16 g/dm3 .
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment