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Anton [14]
2 years ago
7

1 point

Chemistry
2 answers:
I am Lyosha [343]2 years ago
8 0

65.47 \: g \times  \frac{12 \: donuts}{25.64 \: g} = 30.64118565

i \: have \: 31 \: donuts

yawa3891 [41]2 years ago
3 0

Answer:

30. 6 so 31 donuts

Explanation:

12d→ 25.64g

xd → 65.47g

SO cross multiply or 65.47g ÷ 25.64g. Which gives 2. 55g then divide by 12 to get 30.6 for X. If you want to check the answer substitute X with 31 and see if you get the 6547g

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Viscosity is the rate at which liquids flow.
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What is the molarity of 60.0 grams of NaOH dissolved in 750 milliliters of water?
Bumek [7]

<u>Answer:</u>

The correct answer option is B) 2.0 M.

<u>Explanation:</u>

We are given the number of grams of NaOH (Sodium Chloride) which are dissolved in 750 milliliters of water and we are to find its molarity.

We know the formula of molarity:

<em>Molarity =  (mass * 1000) / (volume * molecular mass)  </em>

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8 0
2 years ago
Write the balanced NET IONIC equation for the reaction that occurs when perchloric acid and calcium hypochlorite are combined. I
Elanso [62]

Answer:

H^+(aq)+(ClO)^-(aq)\rightarrow HClO{(aq)}

Explanation:

Hello there!

In this case, since perchloric acid is HClO4 and is a strong acid and calcium hypochlorite is Ca(ClO)2, the undergoing molecular chemical reaction turns out:

2HClO_4{(aq)}+Ca(ClO)_2{(aq)}\rightarrow 2HClO{(aq)}+Ca(ClO_4)_2{(aq)}

Thus, since the resulting hypochlorous acid is weak, it does not fully ionize, so it remains unionized, however, we can write the ions for the other species:

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Now, we can cancel out the spectator ions, calcium and perchlorate, to obtain:

2H^+(aq)+2(ClO)^-(aq)\rightarrow 2HClO{(aq)}\\\\H^+(aq)+(ClO)^-(aq)\rightarrow HClO{(aq)}

Best regards!

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I would say the last one because mass is not created nor destroyed.

Explanation:

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