jollythepandap9xsse jollythepandap9xsse

12-06-2018
Chemistry

contestada

what is the molarity of a solution of K2SO4 prepared by dissolving 2.50g of this compound in 280.0ml of water?

Respuesta :

24-06-2018

n = m/M = 2.5 / 174.252 = 0.01434704 moles

c = n/V = n / 0.28 = 0.051 moles/dm3

Answer Link

Otras preguntas

I need help school is about to end and I'm behind but idk how to do this question Indicate the equation of the given line in standard form. Show all of your wor

In a two-digit number, the units digit is twice the tens digit. If the number is doubled, it will be 9 more than the number reversed. Find the number. :) Thank

What is the impact of crime in community

At a basketball game, for every 2 baskets team A scored, team B scored 3 baskets. The ratio of the number of baskets scored by team A to the number of baskets f

Jake lives in the Northern Hemisphere. His cousin, Adriane, lives in the Southern Hemisphere. If it is March 20 (spring equinox) where Jake lives, which time of

A coin is tossed 11 times. what is the probability of obtaining exactly 9 heads?

Two blocks of ice are at rest on a smooth frozen lake. one block is 3 times the mass of the other block. a man pushes each block the same distance, d meters wit

Justin painted his fence from 8:00 am to 11:47 am. For how many minutes did he paint the fence?

During which phase of mitosis do the nuclear envelope and nucleoli disappear?

Do i need a permit to replace deck boards