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vfiekz [6]
3 years ago
7

1 mol Fe2(CrO4)3=____g

Chemistry
1 answer:
IgorLugansk [536]3 years ago
7 0
111.6g of Fe + 156g of Cr + 192g of O = 459.6g of Fe2(CrO4)3
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A patients blood is tested for growth hormone which has a molecular mass of 848.952g/mol. The test results show a normal concent
rusak2 [61]

Answer:

\boxed{4.7\times 10^{-9}}

Explanation:

Data:

MM = 848.952 g/mol  

   c = 4.0 x 10⁻⁶ g/L

  V = 1 L

Calculations:

(a) Mass of growth hormone

\text{Mass} = \text{1 L} \times \dfrac{4.0 \times 10^{-6} \text{ g}}{\text{1 L}} = 4.0 \times 10^{-6} \text{ g}

(b) Moles of growth hormone

\text{Moles} = 4.0 \times 10^{-6} \text{ g} \times \dfrac{\text{1 mol}}{\text{848.952 g}} = 4.7\times 10^{-9}\text{ mol}\\\\\text{There are $\boxed{\mathbf{4.7\times 10^{-9}}\textbf{ mol}}$ of growth hormone in 1 L of blood.}

8 0
3 years ago
What happens at night?​
Alex
Warm air other the ocean moves onshore I think
7 0
3 years ago
The pH of a solution changes from 3.00 to 6.00. By what factor does the [H3O+] change?
Naya [18.7K]
:  E) 1000 = 10^3 
6-3 = 3 ==> change is 10^3
HOPE I COULD HELP
4 0
3 years ago
Read 2 more answers
Imagine that you have a rectangular swimming pool, but you have no idea how deep it is. You
Ann [662]
To calculate the volume of any rectangular shape,
We can simply multiply length to wide and to depth.
Let d be the depth.
15 x 6 x d = 216
d = 216 / 15 / 6
d = 2.4
Therefore the depth is 2.4m
7 0
3 years ago
How to prepare R-SH from R-Cl? Show reaction.
Gnesinka [82]

Answer:

Alkylation reaction help in formation of thiol R-SH

<h2>Explanation:</h2>

Say lets take sodium hydrosulfide (NaSH) and alkyl chloride (R-Cl)/ any acid like chloroaceic acid or choloro or potassim acetates.

R-Cl + NaSH --> R-SH + NaCl

Such reactions are seen in the production of paper from wood pulp and in the production of organic compounds like thioglycolic acids (TGA)

5 0
3 years ago
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