How many significant figures are there in the measurement 0.003 kg? a. 1 b. 2 c. 3 d. 4

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12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0