# What is the empirical formula of a substance that is 53.5% carbon (c), 15.5% hydrogen (h), and 31.1% nitrogen (n) by weight?

###### Question:

What is the empirical formula of a substance that is 53.5% carbon (c), 15.5% hydrogen (h), and 31.1% nitrogen (n) by weight?

### If sin²∅ + sin∅ = 1 , then what is the value of sin²∅ + sin⁴∅.​

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Q9. What blood type (or types) can be found in an offspring if a mother has type A blood and the father has type B blood?<br />Q10. What blood type (or types) can be found in an offspring if a mother has type AB blood and the father has type A blood?<br />Q11. What blood type (or types) ...

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