chem homework

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  • Created by: desfring
  • Created on: 03-10-18 19:36
calculate number of neutrons in boron
6
1 of 8
calculate relative formula mass of sodium hydoxide
NaOH = 23 + 6 + 1 = 40
2 of 8
calculate the percentage yield of an investigation that is expected to produce 60 tonnes of ammonia, but only produce 45 tonnes
45 / 60 * 100 = 75%
3 of 8
calculate number of moles on 200g of copper
200 / 63.5 = 3.15 moles
4 of 8
calculate the number of neutrons in iron
30
5 of 8
calculate relative formula mass of calcium carbonate
CaCO3 = 100g
6 of 8
calculate the percentage yield of an investigation that expected to produce 495 tonnes of product A but only produced 400 tonnes
400 / 495 = 80.8%
7 of 8
calculate the volume of 7moles in an oxygen gas
22 * 7 = 144.5
8 of 8

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Card 2

Front

calculate relative formula mass of sodium hydoxide

Back

NaOH = 23 + 6 + 1 = 40

Card 3

Front

calculate the percentage yield of an investigation that is expected to produce 60 tonnes of ammonia, but only produce 45 tonnes

Back

Preview of the front of card 3

Card 4

Front

calculate number of moles on 200g of copper

Back

Preview of the front of card 4

Card 5

Front

calculate the number of neutrons in iron

Back

Preview of the front of card 5
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