How many moles of fecl3 are needed to completely react with 4.50g of koh

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Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.