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ehidna [41]
3 years ago
15

A recipe for spaghetti sauce requires 2.5 cups of tomato sauce. If only metric measures are available, how many milliliters of t

omato sauce are needed? (1qt = 4 cups, 1q = 946 mL)
Chemistry
1 answer:
Mrrafil [7]3 years ago
4 0

Answer:

6.0 × 10² mL

Explanation:

Step 1: Given data

A recipe for spaghetti sauce requires 2.5 cups of tomato sauce.

Step 2: Calculate the US Quarts (qt) corresponding to 2.5 cups of tomato sauce

We will use the relationship 1 qt = 4 cups.

2.5 cups × (1 qt/4 cups) = 0.63 qt

Step 3: Calculate the milliliters (mL) corresponding to 0.63 qt of tomato sauce

We will use the relationship 1 qt = 946 mL.

0.63 qt × (946 mL / 1 qt) = 6.0 × 10² mL

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Answer:

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Hello,

a. In this case, the overall reaction is:

Al(OH)_3(s)+3HBr(aq)\rightarrow AlBr_3(aq)+3H_2O

Nevertheless, the ionic version is:

Al(OH)_3(s)+3H^++3Br^-(aq)\rightarrow Al^{3+}+3Br^-(aq)+3H_2O(l)\\

Since the base is insoluble, thereby, the balanced net ionic equation turns out:

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Since bromide ions become spectator ions.

b) In this case, the overall reaction is:

Pb(NO_3)_2(aq)+2LiI(aq)\rightarrow PbI_2(s)+2LiNO_3(aq)

Nevertheless, the ionic version is:

Pb^{2+}(aq)+2(NO_3)^-(aq)+2Li^+(aq)+2I^-(aq)\rightarrow PbI_2(s)+2Li^+(aq)+2(NO_3)^-(aq)

Since lead (II) iodide is insoluble whereas lithium nitrate does not, thereby, the net ionic equation turns out:

Pb^{2+}(aq)+2I^-(aq)\rightarrow PbI_2(s)

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