Question

1) Making the Standard CaCO3 Solution
You weigh out pure Calcium carbonate.... 0.1404 g

a) Calculate how many whole drops (.05 mL/drop) of 6 M HCl are required to dissolve this. ___________ drops
b) What is the Ca concentration when this is dissolved and diluted to 100.00mL? ____________ M

2) Standardizing the EDTA solution
You standardize an EDTA solution using the Ca solution made in 1) above.
Given the following data, calculate the molarity of the EDTA.

Volume of Calcium solution used 6.00 mL
Volume of EDTA solution used 7.15 mL
c) Calculated molarity of EDTA solution __

Answer 1

If $x$ is a positive number, by how much does $x+10$ exceed $10-x$? Express your answer in terms of $x$.

Answer 2

Another done XD

Answer 3

1. What are some of President Amoto's options for developing industry in South Ga

Answer 4

Two parallel lines are crossed by a transversal.

What is the value of y?
y = 30

Answer 5

Can someone proofread my writing piece? (It's for a project at school and it is now finished.

Answer 6

http://prntscr.com/j8cnhm

Answer 7

Can someone read through a writing piece that I have? (It is not finished yet, I simply want some opinions and some help on what I should change, if anythin

Answer 8

Ultrilliam

Answer 9

Ignore this.

Answer 10

Tic Tac Toe

Answer 11

What is the equation of a vertical line passing through (u22125, u22122)?

Answer 12

lamb

Answer 13

I need to verify my email but It's not sending tome. Can anyone help?

Answer 14

Tic Tac Toe

Answer 15

All of the following were reasons why Americans were protesting the Vietnam war except.

Answer 16

The idea that if South Vietnam fell to communism, other nations would soon follow.

Answer 17

United States involvement in the Vietnam War was based in part on a desire to

A. protect American business interests in China

B. contain communism in Southeast Asia

C. prevent renewed Japanese expansionism in the Pacific

D. assure access to an adequate supply of oil from the Middle East

Answer 18

Modern technology did each of the following in Vietnam EXCEPT:

A. make it easier for the American forces to defeat their enemies.

Answer 19

My Kill list
(Roasting)

Answer 20

What did young men burn to protest the war in Vietnam?

A. Barracks at military bases

B.