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2 years ago

To make 340mL of a 0.4 M solution of Lici, how many mL of a 8 M solution should be used?

Chemistry

1 answer:

ioda2 years ago

3 0

Answer:

Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains. Volume is often quantified numerically using the SI derived unit, the cubic metre.

Explanation:

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How many molecules of Ca are found in a sample with 0.2 mols?

DochEvi [55]

Answer:

$\boxed{1.2 \times 10^{23}\text{ atoms}}$

Explanation:

6.023 × 10²³ atoms of Ca are in 1 mol of Ca

$\text{No. of atoms} = \text{0.2 mol} \times \dfrac{6.023 \times 10^{23}\text{atoms }}{\text{1 mol }} = \mathbf{1.2 \times 10^{23}} \textbf{ atoms}}\\\\\text{There are }\boxed{\mathbf{1.2 \times 10^{23}} \textbf{ atoms}} \text{ atoms in 0.20 mol of Ca}$

6 0

2 years ago

When balancing an equation, should you adjust the subscripts or the coefficients?

dimulka [17.4K]

Coefficients, you can’t change the subscripts but you can balance the equation by adding coefficients to both sides

3 0

3 years ago

Read 2 more answers

Please help urgent Balance the following word equation:

LekaFEV [45]

Answer:

AlCl3 + 3Na > Al + 3NaCl

Explanation:

AlCl3+Na → Al + NaCl

Al =1 Al=1

Cl =3 Cl = 1

Na=1. Na = 1

so balance

and it would be

Alcl3 + 3Na → Al + 3NaCl

8 0

2 years ago

Which antibody does the body release when it identifies a bacterium or virus?

dlinn [17]

Explanation:

Immunoglobulin M is the first antibody produced on initial exposure to an antigen. It is also known as IgM.

It occurs as a primary response to the antigens against a particular baterium or virus. It is pentavalent in nature and has ten binding sites for antigens.

Therefore, it is concluded that when the body identifies a bacterium or a virus, it releases the antibody IgM.

6 0

2 years ago

Read 2 more answers

Of the following, which is the most concentrated solution?

jeka94

B 1.2g/mL just look at a graph and pin point those answers

8 0

3 years ago

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