Molarity=moles/liters. Take 42.9 g CaCl2 and divide it by the molar mass of CaCl2 which is 110.98. You get .387 moles. Finally divide .387 moles/ 45 L = .0086 M CaCl2
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No.
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He also created a telescope and formula for universal gravity.
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water traps heat and holds it deep inside the ocean .....
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