shaggy4678 shaggy4678

12-04-2019
Chemistry

contestada

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g)
Explain in steps

Respuesta :

12-04-2019

Answer:

= 654.5 g NaNO3

Explanation:

Molarity = Moles/ volume

Volume = 3.5 L

Molarity = 2.2 M

Therefore;

Moles = Molarity × volume

= 3.5 L × 2.2 M

= 7.7 moles

But 1 mole of NaNO3 is 85 g/mol

Mass of NaNO3 = 85 g/mole × 7.7 moles

= 654.5 g NaNO3

Answer Link

Otras preguntas

I need help to figure this out.

A field that is 3/4 acres must be planted with seed. If 36 people will split the job equally, how many acres must each person plant

1. Why do we study public speaking?

if a faucet is dripping at a rate of 15 drops/min and there are 20 drops/ml, how many liters of water are wasted in a 30 day month

When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a _ Superscript after the

How does theme relate to a work of literature’s ability to persuade?

Answer this two-step equation word problem.

Kevin and randy mouse have a jar containing 97 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $14.25. How many o

The circle Ci, intersects the y-axis at two points, one of which is (0.4).The line y = 2 is a tangent to the circle at (4, 2).(i)Show that the radius of the cir

In a newspaper, it was reported that the number of yearly robberies in Springfield in 2012 was 200, and then went down by 26% in 2013. How many robberies were t