Question

hi friends please answer the question??​

Answer 1

Answer:

Hey!!

On Dividing the mass of 1atomic mass unit(in grams)[which is spproximately equal to that of a proton or a neutron], we get the total number of particles in a mole of any subtsance, i.e, Avogadro's number.

As, 1amu=1.66054×10-²⁴g

$i.e. \: 1 \: mol e= \frac{1g}{1.66054 \times 10 {}^{ - 24} g}$

$⇒ \frac{10}{1.66054} \times 10 {}^{23}$

Which gives us the value of 1 mole in units

$⇒1 \: mol = 6.022137 \times 10 {}^{23} units$

Answer 2

Answer:

$</em></strong><strong><em>A</em></strong><strong><em>s</em></strong><strong><em>,</em></strong><strong><em> \: 1 \: amu = 1.66054 \times {10}^{ - 24}$

$i.e. \: 1 \: mole = \frac{1g}{1.66054 \times {10}^{ - 24}g }$

$=> \frac{10}{1.66054} \times {10}^{23}$

Which gives us the value of 1 mole in units

$=> 1 \: mole = 6.022137 \times {10}^{23} \: units.$

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