why do we heat the test tube in a glass beaker during a chemistry experiment and not directly over a flame?
1 answer:
It is not directly over a flame because it depends on the substance you might not want to heat it too much.you never know what could happen
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Explanation:
400 mL = 0.4 L
NaOH has a molar mass of around 40 g/mol.
= 1.5 moles
Molarity = 
= 3.75 M
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