Friday
May 22, 2015

Homework Help: Chemistry

Posted by Lost on Thursday, January 17, 2013 at 8:33pm.

I have to write the equation for the following and I am not figuring it out.I was out with flu and so lost...please help.

How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide?

How many grams of precipitate will form a reaction between 10g of calcium bromide and an excess of silvernitrate?

How many grams of gas will evolve in reaction between 20.0g of chalk (CaCO3) and an excess of sulfiric acid?

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