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Volgvan
3 years ago
8

Q1.What is the mass of 5 moles Of 1.Mg

Chemistry
2 answers:
ratelena [41]3 years ago
7 0

Answer:

heyy sure just use the unitary method to get the answer

Margarita [4]3 years ago
3 0

Answer:

500

Explanation:

The mass is 500

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Copper can be shaped into wires because it is
Lelechka [254]

.ANSWER:Copper is a ductile metal

EXPLAIN :This means that it can easily be shaped into pipes and drawn into wires. Copper pipes are lightweight because they can have thin walls. They don't corrode and they can be bent to fit around corners.

7 0
3 years ago
What is the correct name for: C3S5?
scZoUnD [109]

Answer:

Trithioxodithiole

Explanation:

5 0
3 years ago
Which statement correctly describes the relationship between reactant and yield?
wlad13 [49]

Answer:

The theoretical yield is calculated from the amount of the limiting reactant present.

3 0
3 years ago
Determine which choice is an example of an endothermic process.
klemol [59]

Answer:

D. Baking bread

Explanation:

In this process, energy is absorbed and in an endothermic process energy is absorbed too.

6 0
3 years ago
How many moles of oxygen atoms are present in 30.5 grams of hydrogen peroxide (h2o2)?
Pepsi [2]

1.8 moles of oxygen atoms are present in 30.5 grams of hydrogen peroxide.

<u>Explanation:</u>

First we have to convert the given weight of hydrogen peroxide to molar mass of hydrogen peroxide. So for this, we have to divide the given weight with the molecular mass of hydrogen peroxide.

       \text {Molecular mass of } \mathrm{H}_{2} \mathrm{O}_{2}=(2 \times 1)+(2 \times 16)=2+32=34 \mathrm{g}

So,

     \text {Molar mass of } \mathrm{H}_{2} \mathrm{O}_{2}=\frac{30.5}{34}=0.90 \text { moles of } \mathrm{H}_{2} \mathrm{O}_{2}

Second step, in this moles, 2 molecules of oxygen are present. Thus 1 mole of Hydrogen peroxide consists of 2 moles of oxygen. Then,

        0.90 moles of $\mathrm{H}_{2} \mathrm{O}_{2}=2 \times 0.90=1.8$ moles of oxygen

So, 30.5 grams of hydrogen peroxide consists of 1.8 moles of oxygen.

4 0
3 years ago
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