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Liula [17]
4 years ago
14

How many significant figures are in the number 0.0034?

Chemistry
2 answers:
Annette [7]4 years ago
8 0

Answer:4 significant figures

Explanation:

nordsb [41]4 years ago
7 0

Answer:

hey!

There are 2 SIGNIFICANT FIGURES!

Explanation:

In the number, the digits 0.00... aren't counted as actual figures (numbers) because they have no value!

So because the digits 3 and 4 have a value higher than 0, they are counted as significant figures... SO THERE ARE 2 SIGNIFICANT FIGURES!!

HOPE THIS HELPS!!

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Calculate the volume in liters of a M potassium dichromate solution that contains of potassium dichromate . Round your answer to
maksim [4K]

The question is incomplete, here is the complete question:

Calculate the volume in liters of a 0.13 M potassium dichromate solution that contains 200. g of potassium dichromate . Round your answer to 2 significant digits.

<u>Answer:</u> The volume of solution is 5.2 L

<u>Explanation:</u>

To calculate the volume of solution, we use the equation used to calculate the molarity of solution:

\text{Molarity of the solution}=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (in L)}}

We are given:

Molarity of solution = 0.13 M

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Molar mass of potassium dichromate = 294.15 g/mol

Putting values in above equation, we get:

0.13M=\frac{200}{294.15\times \text{Volume of solution}}\\\\\text{Volume of solution}=\frac{200}{294.15\times 0.13}=5.23L

Hence, the volume of solution is 5.2 L

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3 years ago
Sufficient strong acid is added to a solution containing Na2HPO4 to neutralize one-half of it. what will be the pH of this solut
34kurt
The neutralization of the base with an acid will result to the formation of salt and water. In this case, a mole of strong acid will have one halide that will react with the Na atom. Since there are two Na atoms in each of the molecule of Na2HPO4, this will need 2 halide atoms. 
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