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The molar mass of an element corresponds to the Atomic Mass of the element (found on the Periodic Table). The atomic mass of Sodium-Na is 22.990 g, which is also the molar mass of Na. So for 1 mole of Na, there are 22.990 grams of Na. If we had 3 moles of Na, then we would simply multiply the molar mass by 3.
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∙ 13y ago
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∙ 14y agoOne mole of sodium is 22.99 grams. The atomic mass of an element is how many grams one mole weighs.
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∙ 12y ago2.35 mol Na X (grams Na / 1 mol Na) = grams Na
the element's amu on your periodic table is the amount of grams in one mole of that element.
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∙ 12y agoThe mass in grams of one mole of any element is numerically equal to its atomic weight. The atomic weight of sodium is 22.98976928 so the mass in grams of one mole is 23 grams
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∙ 12y ago1M NaOH contains 40 grams of NaOH
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∙ 13y ago23g
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How many grams of sodium are there in 10.0 grams of sodium sulfate?
Na2SO4 10.0 grams Na2SO4 (1 mole Na2SO4/142.05 grams)(2 mole Na/1 mole Na2SO4)(22.99 grams/1 mole Na) = 3.24 grams of sodium -------------------------------
How many moles of NaHCO3 are present in 3.00 g sample?
3.00 grams NaHCO3 (1 mole/84.008 grams) = 0.0357 moles of sodium bicarbonate
How many grams of sodium sulfate will be formed if you start with 12.5 grams of sodium hydroxide and you have an excess of sulfuric acid?
Balanced equation. 2NaOH + H2SO4 -> Na2SO4 + 2H2O 12.5 grams NaOH (1 mole NaOH/39.998 grams)(1 mole Na2SO4/2 mole NaOH)(142.05 grams/1 mole Na2SO4) = 22.2 grams sodium sulfate produced ===========================
How many atoms are there in 72.6 grams of sodium?
72.6 grams of sodium (1 mole Na/22.99 grams)(6.022 X 10^23/1 mole Na) = 1.90 X 10^24 atoms of sodium
How many atoms are there in 28.75G of sodium?
28.75 grams sodium (1 mole Na/22.99 grams)(6.022 X 1023/1 mole Na) = 7.531 X 1023 atoms of sodium ------------------------------------------
How many grams are in a 6.94 mole sample of sodium hydroxide?
278
How many grams of sodium are there in 10.0 grams of sodium sulfate?
Na2SO4 10.0 grams Na2SO4 (1 mole Na2SO4/142.05 grams)(2 mole Na/1 mole Na2SO4)(22.99 grams/1 mole Na) = 3.24 grams of sodium -------------------------------
How many moles of NaHCO3 are present in 3.00 g sample?
3.00 grams NaHCO3 (1 mole/84.008 grams) = 0.0357 moles of sodium bicarbonate
What is the mass of a sample of sodium that contains 2980 atoms?
Not much! 2980 atoms sodium [1 mole Na/6.022 X 1023 (atoms)][22.99 grams/1 mole Na] = 1.138 X 10 -19 grams sodium ====================
How many grams of sodium sulfate will be formed if you start with 12.5 grams of sodium hydroxide and you have an excess of sulfuric acid?
Balanced equation. 2NaOH + H2SO4 -> Na2SO4 + 2H2O 12.5 grams NaOH (1 mole NaOH/39.998 grams)(1 mole Na2SO4/2 mole NaOH)(142.05 grams/1 mole Na2SO4) = 22.2 grams sodium sulfate produced ===========================
How many atoms are there in 72.6 grams of sodium?
72.6 grams of sodium (1 mole Na/22.99 grams)(6.022 X 10^23/1 mole Na) = 1.90 X 10^24 atoms of sodium
How many atoms are there in 28.75G of sodium?
28.75 grams sodium (1 mole Na/22.99 grams)(6.022 X 1023/1 mole Na) = 7.531 X 1023 atoms of sodium ------------------------------------------
In a reaction between sodium and chlorine 10 grams of sodium is needed to prepare 35 grams of sodium chloride How many grams of chlorine is needed for this reaction?
Balanced equation first. 2Na + Cl2 -> 2NaCl 35 grams NaCl (1 mole NaCl/58.44 grams )( 1 mole Cl2/2 mole NaCl )( 70.9 grams Cl2/1 mole Cl2) = 21 grams of Cl2 needed
How many sodium ions are in a sample of salt that contains one mole of Na3PO3?
1.8066 x 1024 sodium ions
How many grams of oxygen gas are required to react completely with 14.6 grams of solid sodium to form sodium oxide?
Balanced equation. 4Na + O2 ->2Na2O 14.6 grams Na (1 mole Na/22.99 grams)(1 mole O2/4 mole Na)(32.0 grams/1 mole O2) = 5.08 grams oxygen gas needed --------------------------------------------
How many moles are in 72.0g of sodium cloride?
72.0 grams NaCl (1 mole NaCl/58.44 grams) = 1.2 moles of sodium chloride
How many sodium ions can be found in 145g of NaCl?
145 grams NaCl (1 mole NaCl/58.44 grams)(1 mole Na +/1 mole NaCl)(6.022 X 1023/1 mole Na +) = 1.49 X 1024 ions of sodium =====================
