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06.11.2020 •
Chemistry
List the number of significant figures for the following numbers:
a) 5050
b) 5,000
c) 0.050
d) 5.005
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Ответ:
a) 2
b) 1
c( 1
d( 4
according to the picture
Ответ:
Because magnesium atoms each have twice the mass of carbon atoms ( 24Mg compared with 12C), one mole of magnesium has a mass of 24 g. ... One mole of iron has a mass of 56 g.