890143496 890143496

28-02-2017
Chemistry

contestada

the percent by mass of water in the hydrate na2so4 * 10h20 is closest to

Respuesta :

scme1702 scme1702

06-03-2017

Total mass of the crystal:
23 x 2 + 32 + 16 x 4 + 10 x 18
= 322

Mass of water:
10 x 18
= 180

Percentage of water = 180 / 322 x 100 = 55.9%

Answer Link

Otras preguntas

Prove-: sin5A = 5cos^4 A sinA - 10cos^2 A sin^3 A + sin^5 A

What is acceleration due to gravity

Factorize : a2 + b2 _ 2(ab - ac + bc ).

i have this for my math review & i just don't seem to get it...what is (.9x+.8y)^2

If (x2 +3x +5)(x2 +3x - 5) = m2-n2, then find m ?

A cookie is chosen from a jar containing 4 choc chip, 3 pb, 2 oatmeal. What is the probability that you will choose a choc chip. Express your answer as a frac

How would show that lemon and tomato contains acids?

Who is the patron saint of Scotland

what is a government?

Simplify: 2^12/2^1 Thank you