LOTS OF POINTS FOR 1 BIG QUESTION
A sample of baking soda contains 34.48 g of sodium, 1.51 g of hydrogen, 18.02 g of carbon, and 72.00 g of oxygen.
a. What is the total mass of the sample?
Give your answer as a number with decimals, and a SI unit abbreviation after a space. Ex: 12.02 g
b. What is the percent by mass of each element in baking soda?
Sodium ___
Hydrogen ___
Carbon ___
Oxygen ___
Give your response as a percentage with 2 numbers after the decimal. If your answer is longer than that, round to the nearest hundreth. Ex: 12.22%
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Ответ:
D
Explanation:
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