Help me please just w number 2&3
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Chemistry, 21.06.2019 17:00
What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?
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Chemistry, 22.06.2019 00:30
You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 08:40
What is the value of keq for the reaction expressed in scientific notation?
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Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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