Mathematics, 18.02.2021 14:00 eprice32315
Calculate the mass percent of each element in a compound.
1.Methane, CH4(C=12.01 g/mol; H=1.008 g/mol)
2.Sodium Nitrate, NaNO3(Na=23.0 g/mol; N=14.0 g/ mol; O = 16.0 g/mol)
Answers: 3
Mathematics, 21.06.2019 16:40
Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0
Answers: 1
Mathematics, 21.06.2019 18:30
Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
Mathematics, 21.06.2019 19:30
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
Calculate the mass percent of each element in a compound.
1.Methane, CH4(C=12.01 g/mol; H=1.008 g/m...
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