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makkiz [27]
2 years ago
13

Who is all bor.ed bc im bor.ed who wan.na talk UwU

Chemistry
2 answers:
emmainna [20.7K]2 years ago
4 0

Answer:

me ig

Explanation:

Papessa [141]2 years ago
3 0

Answer: sure

Explanation:

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Each of the following values was read on an instrument of measuring device. In each case the last digit was estimated. Tell what
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<h3>160 cm</h3>

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3 years ago
Can light bend around corners to reach an object
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Which of the following below is the complete ionic equation of the reaction: Calcium nitrate and sodium sulfide solutions react
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To find the net ionic equation we must first write the balanced equation for the reaction. We must bear in mind that the reagents Ca(NO3)2 and Na2S are in the aqueous state and as product we will have CaS in the solid state, since it is not soluble in water and NaNO3 in the aqueous state.

The balanced equation of the reaction will be:

Ca(NO_3)_{2(aq)}+Na_2S_{(aq)}\rightarrow CaS_{(s)}+2NaNO_{3(aq)}

Ca(NO3)2(aq) + → Ca(aq) + 2Na(s)NO3Now, c(aq)ompounds in the aqueous state can be written in their ionic form, so the reaction will transform into:Na2S +

Ca_{(aq)}^{2+}+2(NO_3)_{(aq)}^-+2Na_{(aq)}^++S_{(aq)}^{2-}\operatorname{\rightarrow}CaS_{(s)}+2Na_{(aq)}^++2NO^-_{3(aq)}

So, the answer will be option A

5 0
1 year ago
What is the molarity of a solution in which 175.8<br> grams of NaCl is dissolved in 1.5 L of water?
Sophie [7]
175.8 g NaCl to moles:
(175.8 g)/(58.44 g/mol) = 3.008 mol NaCl

Molarity = moles of solute/volume of solution in liters

(3.008 mol NaCl)/(1.5 L) = 2.0 M.

The molarity of this solution would be 2.0 M.
8 0
2 years ago
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