Question

How many moles of nitric acid are present in 50.0 g?

Answer 1

Answer:

3150.5g

Explanation:

1 mole of nitric acid weighs 63.01g

so i did 63.01g times 50.0g which equals 3150.5g

g= Grams

Hope This Helped

Answer 2

Answer:

0.79 moles

Explanation:

Formula :

Number of moles = Weight of substance / molecular mass

=============================================================

Here :

⇒ Weight of HNO₃ = 50 g

⇒ Molecular mass = 63 g

============================================================

Solving :

⇒ Number of moles = 50/63

⇒ Number of moles = 0.79 moles