The radius of a hydrogen atom is 37 pm and its mass is 1.67 × 10-24 g. What is the density of the atom in grams per cubic centimeter? Assume the atom is a sphere with: (3) volume = *³. g/cm

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Q: I need help calculating the Molarity of the solution in the first picture please!!!

A: In this question, we have to calculate Molarity in the first picture:

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A: Na2CO3+2HCl(excess) =H2CO3+2NaCl+HCl(remains)                               remain HCl+NaOH=NaCl+H2O

Q: Identify the starting material. ?? 1. 2 2. H₂0* MgBr THF OH

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Q: c). B (if basic).o

A: Reaction of Salt in Water, K2C2O4(aq.) + H2O(l)--->  2KOH(aq.) + H2C2O4(aq.)

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