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

Anatomy Tutorial: Accessory Structures of the Eye

Answer 2

Alice and Becky live on Parkway East, at the intersections of Owens Bridge and Bay Bridge, respectively.

Answer 3

Any cool unicode characters?

‮ This reverses the texts after
(some games d

Answer 4

Anatomy Tutorial: Olfaction & Gustation

Answer 5

A shape is shown on the graph:

A coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis.

Answer 6

WHAT IS WORSE FOR YOU
JUUL OR A PACK OR CIGERATES?

(Debate time)

Answer 7

@ultrilliam

Answer 8

The midpoints of the sides of a square form a square. True or False?

Answer 9

The purpose of studying the insects at a crime scene is to help establish _____.

Answer 10

The insect colonization of a corpse is _____.

unpredictable
predictable based on

Answer 11

The young maggots grow rapidly because of _____ offered by the dead body.

the ba

Answer 12

The rules of rounding are completely different for decimals compared to whole numbers.

Answer 13

Nancy Billows bought 150 shares of NBC Universal stock at $22.885 per share. Her broker charged her $22.

Answer 14

Quantitative analytic methods are needed to determine _____.

the amount of poiso

Answer 15

What is the electron pair structure (electron geometry), shape (molecular shape),

Answer 16

Chinese HW check

Answer 17

Draw the lewis dot diagram for the following atoms

F

He

S

Answer 18

What is the volume of a piece of material where a 77.3g sample has a density of 0.

Answer 19

HOw many grams are in 2.47 mol of AgCI

Answer 20

general principle behind using u5f88 (hen) for adjectives/status verbs? like I kn