Question

Calculate the number of molecules in 43 g of NH3 ( ammonia ) .

Answer 1

Heya mate, Here is your answer

Molar mass of NH3(ammonia) = Molar mass of N + 3× Molar mass of H

= 14 +3×1

=14+3

=17 g

We know that the numbers of molecules in 1 mole of compound is fixed and is given by the Avogadro Constant " 6.023×10^23 " .

So, 1 mole of NH3 has 6.023×10^23 molecules.

That is

17 g of NH3 has 6.023 ×10^23 molecules.

1 gm of NH3 has 6.022×10^23 molecules.

43 gm of NH3 has
$6.023 \times {10}^{23} \times \frac{43}{17}$

=15.234 ×10^23 molecules.

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Warm regards

@Laughterqueen

Be Brainly ✌✌

Answer 2

Answer:

Which among the following is the correct statement representing frequently used word “Loan Servicing”?

(A)Loan Servicing is the after sales service provided by the Banks to the customers

(B)Loan Servicing is the repayment of loans to the Banks

(C)Loan Servicing is the facility provided by the banks to make the loans easily accessible to the customers

(D)Loan servicing is paying the interest on loans