I am not sure about .030 but i would pick c
.025) b
26)c
27)d
28)d
Calculate the number of moles reacted - 0.08 moles
Calculate the mass of nickel carbonate reacted - 0.08 * 119g
Calculate the mass of unreacted nickel carbonate - 12.0 - (0.08 * 119)g
1 mole of NiCO3 reacts with 1 mole of H2SO4
Answer:
Atoms form chemical bonds to make their outer electron shells more stable. An ionic bond, where one atom essentially donates an electron to another, forms when one atom becomes stable by losing its outer electrons and the other atoms become stable (usually by filling its valence shell) by gaining the electrons.
Answer: 55,000
<u>Explanation:</u>
Scientific Notation: 5.5 x 10⁴
Standard form: move the decimal 4 places to the right
5 5 0 0 0 0.
= 55,000
Unicellular
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