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Debora [2.8K]
3 years ago
7

What are three units you can measure moler mass in

Chemistry
2 answers:
o-na [289]3 years ago
5 0
By looking at a periodic table, we can conclude that the molar mass of lithium is 6.94g, the molar mass of zinc is 65.38g, and the molar mass of gold is 196.97g. Each of these quantities contains 6.02×1023 atoms of that particular element. The units for molar mass are grams per mole, or g/mol.
liraira [26]3 years ago
3 0

By looking at a periodic table, we can conclude that the molar mass of lithium is 6.94g, the molar mass of zinc is 65.38g, and the molar mass of gold is 196.97g. Each of these quantities contains 6.02×1023 atoms of that particular element. The units for molar mass are grams per mole, or g/mol.

So The answers are Lithium, Gold, Zinc

Hope This Helps

~Zero~

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What is the product when magnesium reacts with nitrogen? Mg(s) + N2(g) → Mg2N3(s) Mg3N(s) Mg3N2(s) MgN3(s)
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Avogadros number is the answer
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True or False: If one extended structure is made of individual atoms, and another extended structure is made from molecules, dur
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Answer:

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4 years ago
An unknown sample weighing 0.3512g was added to 20.0 mL of cyclohexane. The density of cyclohexane is 0.779g/mL, and the freezin
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Explanation:

It is known that density is mass of a substance divided by its volume.

Mathematically,         Density = \frac{mass}{volume}

Therefore, calculate the mass of cyclohexane as follows.

             mass of cyclohexane = Density × volume

                                  = 0.779 g/mL \times 20 mL

                                   = 15.58 g

or,                              = 0.01558 kg           (as 1 kg = 1000 g)

As, K_{f} of cyclohexane = 20^{o}C/m  

                 \Delta T_{f} = K_{f} \times molality

                           5.2 = 20 \times molality

                             molality = \frac{5.2}{20}

                                         = 0.26 m

Also, molality is the number of moles of solute present in kg of solvent.

Mathematically,      molality = \frac{\text{no. of moles}}{\text{mass of solvent}}

                         0.26 = \frac{\text{no. of moles}}{0.01558}

                       No. of moles  = 4.05 \times 10^{-3}

As,             No. of moles = \frac{mass}{\frac{molar mass}}      

                    4.05 \times 10^{-3} = \frac{0.3512}{\text{molar mass}}

                             molar mass = 87.0 g/mol

Thus, we can conclude that molar mass of unknown substance is 87.0 g/mole.

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