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3 days ago · Answer. The mass of a substance can be related to the amount of the substance in moles by the following equation: 𝑛 = 𝑚 𝑀, where 𝑛 represents the number of moles, 𝑚 is the mass in grams, and 𝑀 is the molar mass in grams per mole. The number of moles is given in the question ( 0.443 mol ).
1 day ago · Determine the percentage composition (by mass) of a mixture of anhydrous sodium carbonate and sodium bicarbonate from the following data:wt. of the mixture t...
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1 day ago · Answer. The volume and number of moles of a gas are related by the equation 𝑉 = 𝑛 𝑉, where 𝑉 is the volume, 𝑛 is the number of moles, and 𝑉 is the molar volume. The molar volume is a proportionality constant that indicates the volume of one mole of any gas at a particular temperature and pressure.
1 day ago · Determine the sodium bicarbonate moles used in each flask utilizing the molar mass of NaHCO 3 . Remember that different amounts of baking soda were used each time, so you should have three answers. (10 points)
Definition: Volumetric Analysis. Volumetric analysis is a quantitative analytical method that measures the volume of the analyte or the volume of a second substance that reacts with the analyte in a known proportion. Definition: Titrimetric (Titration) Analysis.
3 days ago · The molecular formula of sodium carbonate is \[N{a_2}C{O_3}\]. It has two sodium atoms., one carbon atom and three oxygen atoms. The molecular weight of Sodium carbonate \[\left( {N{a_2}C{O_3}} \right)\] is given by \[2 \times 23 + 1 \times 12 + 3 \times 16 = 106\] The molar mass of sodium is \[23\] The molar mass of carbon is \[12\]
2 days ago · Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na.
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