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olga55 [171]
3 years ago
15

How many titanium atoms are in a pure titanium bicycle frame with a mass of 1.34 kg

Mathematics
1 answer:
klio [65]3 years ago
7 0

Titanium (Ti) has a molar mass of about 47.867 g/mol. 1 mole contains about 6.022 E23 atoms. So 1.34 kg of Ti consists of about

1.34 kg * (1000 g/kg) * (1/47.867 mol) * (6.022 E23 atom/mol) = 1.69 E25 atoms

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Answer:

142° is the measure of angle 2.

Step-by-step explanation:

When two lines intersect, they make four angles. The angles facing each other are equal.

Let's say that two lines a and b intersected each other to make angles 1,2,3 and 4 respectively.

The measure of angle 3 = 38 degrees.

We know that the angle 1 is against angle 3 and is equal to 38.

Also Angle 2 and Angle 4 are also against each other and are equal let's say equal to x degrees.

Now, the sum of all four angles = 360 degrees

∠1 + ∠2+ ∠3 + ∠4 = 360°

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