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elena-14-01-66 [18.8K]
3 years ago
14

How many significant figures are there in 500 and 101.00?

Chemistry
1 answer:
Rashid [163]3 years ago
6 0

Answer:1 and 5

Explanation:

The zeros in 500 aren’t in the middle of 2 non number nor does it have a decimal in the number

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Answer:

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Explanation:

Hello there!

In this case, for these particle-mole-mass relationships problems, it is necessary for us to recall the following equivalence statement, based off the molar mass of the involved compound, C3H8, one mole of particles and the Avogadro's number:

1mol=44.11g=6.022x10^{23}molecules

In such a way, we can set up the following expression for the calculation of the mass in the given particles of propane:

4.5x10^{23}molecules*\frac{1mol}{6.022x10^{23}molecules} *\frac{44.11g}{1mol}\\\\33g

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