q4) moles of lithium =5.4 mol molar mass lithium=6.941g/mol moles = moles * molar mass=5.4*6.941=37.4814 g= 37.5 g (c), is correct q5) (4.123*0.12)+24.…
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What is the mass in grams of 1 mole of lithium?
Lithium for instance has an atomic mass of 6.941 grams and this is equal to one mole of lithium.
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How many grams are in 4.5 moles of Li2O?
There are 134.5 grams in 4.5 moles of Li2O (lithium oxide).
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What is the mass in grams of 2 moles of lithium?
Based on the chemical formula, we have 2 atoms of Li, so the atomic weight of Li has to be multiplied by 2 to obtain 13.88 g/mol.
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What is the mass in grams of 5 moles of sodium?
One mole of sodium has a mass of 23 amu. Hence 5 moles of sodium atom have a mass of 23×5=115 amu.
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What is the mass in grams of 1 mol?
| 33 C molar mass: | 33 × 12.01 g | 396.33 g |
|---|---|---|
| 4 N molar mass: | 4 × 14.01 = | 56.04 g |
| 6 O molar mass: | 6 × 16.00 = | 96.00 g |
| Total: | 584.73 g |
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How many grams are in 0.251 mol of lithium?
The average atomic mass of lithium is 6.941 g/mol. Hence, the mass of the sample with 0.251 moles is 0.251∗6.941=1.7421 0.251 ∗ 6.941 = 1.7421 grams.
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How many atoms are in 1 mole of lithium?
Answer and Explanation: One mole of lithium (Li) is equal to 6.022 x 1023 atoms of lithium (or any particle for that matter).
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What is the mass of 2 moles of lithium atoms?
For this we will find the mass of 1 mole of the Lithium. 1 mole of Lithium contains 6.022×1023atoms. 6.022 × 10 23 a t o m s . Mass of 2 moles of Lithium = 2×6.94=13.88g 2 × 6.94 = 13.88 g which is the largest mass.
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What is the mass in grams of 2 mole of lithium?
Based on the chemical formula, we have 2 atoms of Li, so the atomic weight of Li has to be multiplied by 2 to obtain 13.88 g/mol.
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What is the mass in grams of 1 mole of lithium?
Lithium for instance has an atomic mass of 6.941 grams and this is equal to one mole of lithium.
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How many grams of lithium are in 2.2 moles of lithium?
There are 2.2 moles of Li in 15 grams of Li. To convert between grams and moles, molar mass must be used. Molar mass for an element is found on the periodic table and is numerically the same value as the atomic mass. The atomic mass for lithium is 6.94 amu while the molar mass of lithium is 6.94 g/mol.
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What is the mass of 3 moles of lithium?
Answer and Explanation: The mass in 3 moles of LiOH = 72 grams.
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How many grams are in a mole of Li2O?
Li2O is composed of Lithium and Oxygen atoms. If you refer to your periodic table, the atomic weight is the molar mass of each element. The molar mass of Lithium is 6.9 g/mol and Oxygen 16.0 g/mol. the molar mass of lithium Li2O is 6.9 × 2 = 13.8 g/mol.
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How many grams are in 4.5 moles of NaF?
Answer. Explanation: mass of sodium is 23 and mass of fluorine is 19 there mass of NaF is 42. 42g =1 mole therefore 4.5 moles will have 4.5into 42 = 189g.
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How many grams are in 4.5 hundred moles?
Multiplying this molecular mass by the given number of moles will give the weight in grams of the substance. Therefore $4.500$ moles $L{i_2}O = 29.881g/mol \times 4.500moles = 134.46grams$.
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What is the mass of 4.5 moles?
The mass of 4.5 moles of CO2 is 198. * Molar mass refers to the mass of one mole of a substance.
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What is the mass in gram of 5 moles of sodium carbonate?
Therefore, 5 moles of sodium carbonate weigh 530 grams.
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What is the mass of 4 moles of sodium?
Answer and Explanation: 4.00 moles of sodium has a mass of 91.96 grams. To find an element’s molar mass, you can use its atomic weight.
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How many grams are in moles of sodium?
And whereas one sodium atom has an approximate mass of 23 u, 1 mol of Na atoms has an approximate mass of 23 grams.
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How many atoms are in 5 moles of sodium?
The number of atoms present in 5-mole sodium is 3.0115 × 10²⁴ atoms. Explanation: Given, The number of moles of sodium atom (n) is 5.
