Explanation:
Let us assume that the ratio for the given reaction is 1:1.
Therefore, we will calculate the moles of
as follows.
Moles of
solution = molarity × volume (L)
= 0.0440 M × 0.014 L
= 0.000616 moles
Moles of excess EDTA = 0.000616 moles
Also, the initial moles of EDTA will be calculated as follows.
Total initial moles of EDTA = 0.0600 M × 0.025 L
= 0.0015
Therefore, moles of EDTA reacted with
will be as follows.
= 0.0015 - 0.000616
= 0.00088 moles
Since, we have supposed a 1 : 1 ratio between
and EDTA
.
So, moles of
= 0.00088 moles
Now, we will calculate the molarity of
as follows.
Molarity of
solution =
=
= 0.015 M
Thus, we can conclude that the original concentration of the
solution is 0.015 M.
It is harmful because you can get burned easy and your clothes can get dirty.
Answer:
A forensic light source is a crime scene investigator's and lab technician's tool for enhancing observation, photography and collection of evidence including latent fingerprints, body fluids, hair and fibers, bruises, bite marks, wound patterns, shoe and foot imprints, gun shot residues, drug traces, questioned
Answer:
47.5 mm are equal to 4.75 × 10⁻² m.
Explanation:
Meter and millimeter both are units of length. Millimeter is smaller unit while meter is larger unit. The one meter consist of thousand millimeter or we can say that one thousand millimeters are equal to one meter. In order to convert the meter value into millimeter we have to multiply the values with thousand.
we know that one meter is equal to 1000 millimeter.
1 m = 1000 mm
4.75 × 10⁻² × 1000 = 47.5 mm
47.5 mm are equal to 4.75 × 10⁻² m.
Answer:
B. The ionization energy increases because the ratio of the protons to electrons increases.
Explanation: