dummy10137 dummy10137

27-01-2019
Chemistry

contestada

What mass of Ca(OH)2 is needed to make 1250ML of a .75M solution?

Respuesta :

Timmycandy Timmycandy

13-08-2019

Answer:

69.4kg

Explanation:

mole =volume/1000 * mole conc.

=1250/1000 * 0.75

mole =0.9

:• mole =mass /molar mass

mass =0.9*[40+32+2]

=69.4kg

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