Mass of one atom of oxygen is a 16-6-023- 1023g b 32-6-023- 1023g c 1-6-023- 1023g d 8u

Name: EXEMP - Grade 09 - Chemistry - Atoms and Molecules - Q8
Uploaded: 2022-07-04T10:36:42+05:30
Description: Mass of one atom of oxygen = Atomic mass/N_A = 16/6.022 × 10^23 g ...

Mass of one atom of oxygen = Atomic mass/N_A = 16/6.022 × 10^23 g ...

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Standard IX

Chemistry

Mole Concept & Avogadro Number

Mass of one a...

Question

Question 8
Mass of one atom of oxygen is
(a) $\frac{16}{6.023 \times 10^{23}}$ g
(b) $\frac{32}{6.023 \times 10^{23}}$ g
(c) $\frac{1}{6.023 \times 10^{23}}$ g
(d) 8u

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Solution

Mass of one atom of oxygen = $A t o m i c m a s s / N_{A}$
$= \frac{16}{6.022 \times 10^{23}} g$

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Similar questions

Q. Question 8
Mass of one atom of oxygen is
(a)

\frac{16}{6.023 \times 10^{23}}

g
(b)

\frac{32}{6.023 \times 10^{23}}

g
(c)

\frac{1}{6.023 \times 10^{23}}

g
(d) 8u

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2

moles of sodium ferrocyanide

N a_{4} [F e (C N)_{6}]

is:

Q. One mole of oxygen corresponds to

6.023 \times 10^{23}

oxygen atoms.

Q. 1 mole of

C O_{2}

contains:

How many moles of electrons weigh one kilogram? (Mass of electron $= 9.108 \times 10^{- 31} k g$ , Avogadro’s number $= 6.023 \times 10^{23}$ )

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Mole Concept & Avogadro Number

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Question 8 Mass of one atom of oxygen is (a) 166.023×1023g (b) 326.023×1023g (c) 16.023×1023g (d) 8u

Mass of one atom of oxygen = Atomic mass/NA =166.022×1023g

Question 8
Mass of one atom of oxygen is
(a) $\frac{16}{6.023 \times 10^{23}}$ g
(b) $\frac{32}{6.023 \times 10^{23}}$ g
(c) $\frac{1}{6.023 \times 10^{23}}$ g
(d) 8u

Mass of one atom of oxygen = $A t o m i c m a s s / N_{A}$
$= \frac{16}{6.022 \times 10^{23}} g$