Answer:
If the 2nd and third 2 are underscored then there are two hydrogen atoms and 1 oxygen atom
Explanation:
Answer: 60 g/ mole SiO2
Explanation: The mass of Si silicon is 28 and the mass of O oxygen is 16. There are 2 oxygen atoms so we will multiply the mass of oxygen by 2.
Si = 28
O = 16 x 2
= 60 g / mole SiO2
Answer:
Hypothesis
Explanation:A hypothesis is what gives the user the directions of the lab and what needs to be done for the procedure
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