For this problem, assume that water consistsonly of the most abundant isotopes of oxygen ( 16 O and 18 O ). Theatomic mass for 16 O is 15.9949146 u, and the atomic mass for 18 O is 17.99916 10 u. (a) A standard seawater sample contains 0.1995% 18 O . Calculate the atomic weight of oxygen in seawater, and report youranswer to five decimal places. (b) A polar ice core sample contains 0.1971% 18 O . Calculate theatomic weight of oxygen in polar ice, and report your answerto five decimal places.
For this problem, assume that water consistsonly of the most abundant isotopes of oxygen ( 16 O and 18 O ). Theatomic mass for 16 O is 15.9949146 u, and the atomic mass for 18 O is 17.99916 10 u. (a) A standard seawater sample contains 0.1995% 18 O . Calculate the atomic weight of oxygen in seawater, and report youranswer to five decimal places. (b) A polar ice core sample contains 0.1971% 18 O . Calculate theatomic weight of oxygen in polar ice, and report your answerto five decimal places.
Solution Summary: The author explains that the atomic weight of oxygen in seawater is to be calculated.
For this problem, assume that water consistsonly of the most abundant isotopes of oxygen (
16
O
and
18
O
). Theatomic mass for
16
O
is 15.9949146 u, and the atomic mass for
18
O
is 17.99916 10 u. (a) A standard seawater sample contains 0.1995%
18
O
. Calculate the atomic weight of oxygen in seawater, and report youranswer to five decimal places. (b) A polar ice core sample contains 0.1971%
18
O
. Calculate theatomic weight of oxygen in polar ice, and report your answerto five decimal places.
how many moles of H2O2 are required to react with 11g of N2H4 according to the following reaction? (atomic weights: N=14.01, H=1.008, O= 16.00) 7H2O2 + N2H4 -> 2HNO3 + 8H20
calculate the number of moles of H2 produced from 0.78 moles of Ga and 1.92 moles HCL? 2Ga+6HCL->2GaCl3+3H2
an adult human breathes 0.50L of air at 1 atm with each breath. If a 50L air tank at 200 atm is available, how man y breaths will the tank provide
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Step by Step Stoichiometry Practice Problems | How to Pass ChemistryMole Conversions Made Easy: How to Convert Between Grams and Moles; Author: Ketzbook;https://www.youtube.com/watch?v=b2raanVWU6c;License: Standard YouTube License, CC-BY