Chemisch rekenen & zuren en basen - Wisnet
Chemisch rekenen & zuren en basen - Wisnet
Chemisch rekenen & zuren en basen - Wisnet
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Bijlage 1 Rek<strong>en</strong><strong>en</strong> in de Chemie<br />
<strong>Chemisch</strong> Rek<strong>en</strong><strong>en</strong> & Zur<strong>en</strong> <strong>en</strong> Bas<strong>en</strong><br />
1 a 5 b 4 c 3 d 1 e 3 f 3 g 5 h 5 I 2 j 3<br />
2 a a 5 b 4 c 2 d 8 e 2 f 3<br />
b a 4,0077 • 10 4 b 5,623 • 10 1<br />
c 6,4 • 10 –1<br />
f 5,95<br />
c a 4,0 • 10 4<br />
b 5,6 • 10 1<br />
c 6,4 • 10 –1<br />
3 a (108,6 km/54,0 min) • 60,00 min/uur = 120 km/uur<br />
b 5,00 L • 20,95/100 = 1,05 L<br />
c 6 • 7,65 g = 45,9 g<br />
d 21 cm • 30 cm = 6,3 • 10 2 cm 2<br />
d 2,9979246 • 10 5<br />
d 3,0 • 10 5<br />
e 9,0 • 10 –2<br />
e 9,0 • 10 –2<br />
f 6,0<br />
56
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