jackierun6 jackierun6

07-12-2020
Chemistry

contestada

If a 40 g sample of NaCl is composed of 39.34% Sodium, how many grams of
that sample are Sodium?

Respuesta :

bernard9619 bernard9619

16-12-2020

Answer:

15.7g

Explanation:

mass percent=mass of element/mass of compound *100

39.34=unknown(x)/40g×100

39.34=5x/2

multiplying both sides by 2,we get

5x=78.68

devide by 5 on both sides

x=15.74g Na

Answer Link

Otras preguntas

Each sister bought a gift for their mom. Maggie spent 3 times as much as Karen. Karen spent half as much as Jasmine. Altogether, they spent $60. Then, solve

what is a reasonable estimate for the problem? 3 3/4 x -2/5

What is the purpose of nihilism?

Dachshunds are ideal dogs for small children, as they are already stretched and pulled to such a length that the child cannot do much harm one way or the other.

An alloy of gold and silver has a mass of 1050g and a volume of 60cm cubic .if the density of gold is 19.3g/cm cubic and that of silver is 10.5g/cm cubic. Fin

cuantas horas hay de 5:15pm a 8:16pm

TRUE OR FALSE Extrinsic motivation always reduces intrinsic motivation.

what is a reasonable estimate for the problem? 3 3/4 x -2/5

Determine whether the two triangles are similar. HELP ASAP! I AM RUNNING OUT OF POINTS!!

What is the area of the composite figure?