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3 years ago

11

Suppose you have a solution that is either an acid or a base. It doesn’t react with any metals. Is the pH of the solution more l

ikely to be 4 or 9?

1 answer:

OverLord2011 [107]3 years ago

4 0

Its more likely to be a four

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How many atoms are in .47 moles of argon

lesantik [10]

Answer:

$\large \boxed {2.8 \times 10^{23}\text{ atoms Ar}}$

Explanation:

$\text{Atoms of Ar} = \text{0.47 mol Ar} \times \dfrac{ 6.022 \times 10^{23}\text{ atoms Ar}}{\text{1 mol Ar}}\\\\= \large \boxed {\mathbf{2.8 \times 10^{23}}\textbf{ atoms Ar}}$

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Ozone(O3) number of atoms

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As the O3 suggests, the Ozone molecule is made up of 3 Oxygen atoms.

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What does the 4 indicate in 1s22s22p4? 4th subshell 4 electrons 4th energy level

kupik [55]

Answer: The number 4 indicates 4 electrons.

Explanation: We are given an electronic configuration, which is:

$1s^22s^22p^4$

Here,

The letters denote the sub-shells of an element.

The numbers written before the letters which are 1, 2 and 2 represents the Principle Quantum Number and these represents the energy level of the sub-shells.

The number which are written in the superscripts which are 2, 2 and 4 denotes the electrons which are present in the sub-shell.

Hence, 4 indicates 4 electrons present in 2p sub-shell.

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