1 point 2. What is the molar mass of calcium hydroxide whose formula is in the
image below? Relative atomic masses (Ca=40 O=16 H=1) *
Ca(OH)2
O 74.0 g/mol
0 58.0g/mol
O 148 g/mol
O 97 g/mol
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Two things that biomedical has invented or innvated

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?