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corinna
Questions and answers by visitors named
corinna
Questions (6)
The diagram shows part of a regular polygon. work out how many sides the polygon has. (it is 156 degrees).
2 answers
1,247 views
emma draws this diagram. She says it shows part of a regular polygon. Explain how you can tell that Emma must have made a
3 answers
443 views
What is the molarity of a solution containing 40 grams of NaOH in 100 ml of soution
1 answer
378 views
How many grams of NaCl are neeeded to make 100ml of a 2M solution of NaCl
1 answer
409 views
500ml of a 1M solution of NaCl contains how many (Na+) ions.
Can you show me how to get it
1 answer
344 views
the density of water is 1gm/ml. what is the molarity of 1 drop of water?
2 answers
484 views
Answers (1)
39.4g of silver (Ag) that loses 478J
