2 years ago

What is is 0.000431 as an integer?

Chemistry

1 answer:

trapecia [35]2 years ago

6 0

Idk i just need points

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How many moles of Ca atoms are in 1 mol of CaSO4?

Galina-37 [17]

Answer:

6.02 x 10²³ atoms

Explanation:

Given parameters:

Number of moles CaSO₄ = 1 mole

Unknown:

Number of Ca atoms in the given compound = ?

Solution:

The given compound is:

CaSO₄

1 mole of CaSO₄ is made up of 1 mole of Ca atoms

Now;

1 mole of any substance contains 6.02 x 10²³ atoms

1 mole of Ca atoms will also contain 6.02 x 10²³ atoms

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3 years ago

A scientist finds an organism that cannot move. It has many cells and get food from its environment. In which Kingdom does it

Allisa [31]

An organism that does not move on its own and makes food from its environment is a producer.

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3 years ago

Consider this question: What is the molarity of HCL if 35.23 mL of a solution of HCL contains 0.3366 g of HCL?

Crazy boy [7]

<u>Answer:</u> The molarity of HCl solution is 0.262 M

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

We are given:

Given mass of HCl = 0.3366 g

Molar mass of HCl = 36.5 g/mol

Volume of the solution = 35.23 mL

Putting values in above equation, we get:

$\text{Molarity of HCl}=\frac{0.3366g\times 1000}{36.5g/mol\times 35.23mL}\\\\\text{Molarity of HCl}=0.262M$

Hence, the molarity of HCl solution is 0.262 M.

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2 years ago

C. 840 D. 2053...........

faust18 [17]

They have hydrogens numbers wrong its 1.008 not 1.01

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3 years ago

I NEED HELP ON EARTH SCIENCE !!!!!

il63 [147K]

What kind of problem

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3 years ago

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