How many moles are there in 17.5g of mercury (i) nitride?

Moles of mercury (I) nitride are 0.014 mol.

Explanation:

Given data:

Number of moles of  mercury (I) nitride = ?

Mass of mercury (I) nitride = 17.5 g

Solution:

Molar mass of mercury (I) nitride:

(Hg₂)₃N₂   = (2×200.59)×3 + 14.0067 × 2

(Hg₂)₃N₂   = 1203.54 + 28.0134

 (Hg₂)₃N₂   = 1231.5534 g/mol

Formula:

Number moles = mass / molar mass

Number of moles = 17.5 g / 1231.5534  g /mol

Number of moles = 0.014 mol

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for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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