shantevinson shantevinson

13-04-2016
Chemistry

contestada

How many grams of KNO₃ should be used to prepare 2.00L of a .500 M solution ?

Respuesta :

Willchemistry Willchemistry

13-04-2016

Volume = 2.00 L

Molarity = 0.500 M

M = n / V

0.500 = n / 2.00

n = 0.500 * 2.00

n = 1.0 mole KNO₃

Molar mass KNO₃ = 101.1032 g/mol

1 mole ------ 101.1032 g
1.0 mole ------ ?

mass = 1.0 * 101.1032 g / 1

mass = 101.1032 g of KNO₃

hope this helps!

Answer Link

Otras preguntas

Are careers demeaning and keep people from truly experiencing life?? Agree or disagree. Why?

Which One Doesn't Belong? Which expression does not belong with the others? Explain your reasoning. 5(−3)(−1) (−4)2(−6)(−2) 7(−2)(5) −20(−6)

Logan gets up every day at 8:00 AM to go to work. If he drives at an average speed of 24 miles per hour, he will be late by 5 minutes. If he drives at an avera

HELPPPPPPP LOOK AT THESE PICS PLS GEOMETRY

Find the value of the length x rounded to 1 decimal place. The diagram is not drawn accurately.

An item is regularly priced at $69. Deandre bought it at a discount of 15% off the regular price. find out how much Deandre paid.

What are some of the short term and long term effects of Corporal Punishment?

help please help me please

What is art appreciation

help plz need it ASAP.