sallyt2k sallyt2k

14-07-2020
Chemistry

contestada

A solution has a concetration of 0.3mol/dm3 of sodium hydroxide .what volume of
the solution must be measured out to obtain 0.02mol of sodium hydroxide.

Respuesta :

wiiyrtaxokugxxqyfb wiiyrtaxokugxxqyfb

14-07-2020

Answer:

Ba(OH)2 + H2SO4 ------> BaSO4 + 2H2O

1) Moles of Ba(OH)2 = moles of H2SO4 = 0.025L x 2)0.02M = 5.0 x 10^-4M

Concn of Ba(OH)2 in g/L = 5.0 x 10^-4M x 171.33g/mol = 0.086g/mol

Answer Link

Otras preguntas

If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?

which city was located nearest the nile river delta

what other areas beside egypt did the new kingdom pharoahs conquer

write words to match the expression. 24- ( 6+3)

what other areas beside egypt did the new kingdom pharoahs conquer

Which two numbers have a difference of 5 and a product of 3.36???

what other areas beside egypt did the new kingdom pharoahs conquer

If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?

write words to match the expression. 24- ( 6+3)

If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?