Question

How many number of gram atoms present in 2.6 g of chromium ?

2 points

0.04

0.05

0.06

0.07

18. What is the mass of 0.7 gram atom of copper?

2 points

44.45 g

45.54 g

49.67 g

46.57 g

Option 2

19. What is the mass of 0.6 gram molecule of potassium carbonate ?

2 points

80.5 g

81.2 g

82.8 g

83.9 g

20. How many number of gram molecule present in 5.55 g of calcium chloride?

2 points

0.01

0.03

0.05

0.07

21. How many number of gramatoms present in 10.8 g of aluminium?

2 points

0.8

0.2

0.4

0.6

22. What is the mass of 2.5 gm molecule of potassium chromate?

2 points

345.8 g

378.6 g

387.5 g

396.2 g

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Answer 1

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