sa4mhapp7yken sa4mhapp7yken

06-08-2016
Physics

Answered

An unknown sample required 21.05ml of 0.02047 M KmnO4 to reach the endpoint. How many moles of KmnO4 reacted? (M=mol over liter)

A.0.43089 MOL

B.0.04309 MOL

C.0.004309 MOL

D.0.0004309 MOL

Verified Answer :

meerkat18 meerkat18

10-08-2016

To determine the number of moles of KMnO4 that reacted with the sample, we just have to multiply the given volume with the concentration. There is a need to convert the volume to liters first. Below is the solution,
n = (21.05 mL) x (1 L / 1000 mL) x (0.02047 M) = 0.00043 moles
Thus, the answer is letter D.

Answer Link

Related Questions

Daryl wants to purchase a membership to a gym The cost of the minimum is 5 per week plus a fixed amount for each time he uses the gym

Make a sentence with producer

Raise 128 48 to higher terms

name the property illustrated by the equation below 34 43 1

What is the least positive integer

4 13 divided by 2 13

I need help ASAP please

Three of the following were true of the Golden Age of Spain during the 16th and early 17th centuries Which was NOT Spain became a leading commercial and industr

Shaun is a Brisbane Lions mens team supporter He went to the AFL Mens Grand Final and sat in the Collingwood section After Shaun said something rude about a Col

A graduated payment mortgage allows the buyer to a have fixed monthly payments c have low initial payments b have a flexible interest rate d not have a downpaym

Web Analytics