Concept explainers
(a)
Interpretation:
Number of moles present in
(a)
Explanation of Solution
From Avogadro’s number, it is clear that
Therefore, number of moles of
(b)
Interpretation:
Number of moles present in
(b)
Explanation of Solution
From Avogadro’s number, it is clear that
Therefore, number of moles of
(c)
Interpretation:
Number of moles present in
(c)
Explanation of Solution
From Avogadro’s number, it is clear that
Therefore, number of moles of
(d)
Interpretation:
Number of moles present in
(d)
Explanation of Solution
From Avogadro’s number, it is clear that
Therefore, number of moles of
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Chapter 3 Solutions
Chemistry: Principles and Practice
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- Determine the mass of each of the following:(a) 0.0146 mol KOH(b) 10.2 mol ethane, C2H6(c) 1.6 × 10−3 mol Na2 SO4(d) 6.854 × 103 mol glucose, C6 H12 O6(e) 2.86 mol Co(NH3)6Cl3arrow_forwardGive the empirical formula of each of the following compounds if a sample contains the following quantities of each element. (Type your answer using the format CO2 for CO2.) (a) 0.0195 mol C, 0.039 mol H, and 0.013 mol O (b) 11.66 g iron and 5.010 g oxygen (c) 25.9% nitrogen and 74.1% oxygen by massarrow_forward(1) How many moles of oxygen atoms are there in one mole of ozone molecules (O3)? (a) 6.022 x 10 23 moles (c) 1 mole (b) 2 moles (e) none of these (d) 3 molesarrow_forward
- What is the molecular formula of each compound?(a) Empirical formula CH (μ=78.11 g/mol)(b) Empirical formula C₃H₆O₂(μ=74.08 g/mol)(c) Empirical formula HgCl (μ=472.1 g/mol)(d) Empirical formula C₇H₄O₂(μ=240.20g/mol)arrow_forwardA 1.30 g sample of titanium chemically combines with chlorine gas to form 5.16 g of titanium chloride. (a) What is the empirical formula of titanium chloride? (b) What is the percent by mass of titanium and the percent by mass of chloride in the sample?arrow_forwardCalculate each of the following quantities. (a) mass in kilograms of 4.8 1020 molecules of NO2 (b) moles of Cl atoms in 0.0267 g C2H4Cl2 (c) number of H - ions in 5.00 g SrH2arrow_forward
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