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olya-2409 [2.1K]
4 years ago
12

Determine the mass of 0.429g of gold

Chemistry
1 answer:
Arturiano [62]4 years ago
8 0
I don't know the answer but I want to know the answer when someone smart answers the problem
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If 251 mL of 6.0 M H2SO4 is diluted to 500. mL, what is its new molarity?
kolezko [41]

Answer:

  • <u>3.0M</u>

Explanation:

The dilution formula is:

       M_1\times V_1=M_2\times V_2

Where M₁ and M₂ are the molar concentrations and V₁ and V₂ are the volumes of the concentrated and the diluted solutions.

Substitute:

  • M₁ = <em>6.0M</em>
  • M₂ = unknown
  • V₁ = <em>251 mL</em>
  • V₂ = <em>500. mL</em>

         6.0M\times 251ml=M_2\times 500.ml

Clear M₂ and compute:

         M_2=6.0M\times 251ml/500.ml\approx3.0M

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3 years ago
1144 grams of Chromium =<br> number.<br> moles of Chromium, rounded to the nearest whole
likoan [24]

Answer:

22moles

Explanation:

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Marysya12 [62]

Answer:

7. .........................

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3 years ago
Sedimentary plus something that can equal metamorphic
Katena32 [7]

Answer:

limestone+heat=marble

sandstone+heat=metaquartzite

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who reported four “element” classifications, but included some substances that were combinations of elements rather than true el
kozerog [31]
Answer: Antoine Lavoisier.

He classified the elements into four groups: elastic fluids, nonmetals, metals and earths. Some of the called elementes were not really elements (light and heat). Others were compounds, e.g. hydrochloric acid.






7 0
3 years ago
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