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

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Answer 2

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Answer 3

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Answer 4

Read the poem.

Dulce et Decorum Est
by Wilfred Owen

Bent double, like old beggars under sacks,
Knock-kneed, coughing like hags, we cursed through sludge,

Answer 5

Read the excerpt of the poem. Then answer the questions.

excerpt from ''Paul Revere's Ride''
by Henry Wadsworth Longfellow

It was twelve by the village cl

Answer 6

How much does one sucrose molecule weigh in grams?

Answer 7

Herky and Elaina want to compare their investment accounts to see how much they will have in the accounts after eight years.

Answer 8

An airplane is flying at an altitude of 2,910 m, has mass of 5,320 kg, and experiences a drag force of 530 N.

Answer 9

Archery stuffff (:
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Answer 10

Just want to check the word order on this assignment

Answer 11

What is the main idea?
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Answer 12

Will flex seal work as a condom if needed?

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Answer 15

triangle congruences

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Triangle congruence

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