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e-lub [12.9K]
3 years ago
9

What is the mass of the polypropylene in grams? Assume that 1 lbs = 453.952 grams. Drag and drop the

Chemistry
1 answer:
Rudik [331]3 years ago
7 0

Answer:

7.50×10¯² lbs = 7.50×10¯² lbs × 453.952 g / 1 lbs

7.50×10¯² lbs = 34.0464 g.

Explanation:

From the question given, the following data were obtained:

1 lbs = 453.952 g

7.50×10¯² lbs =.?

Thus, we can obtain convert 7.50×10¯² lbs to grams as follow:

1 lbs = 453.952 g

Therefore,

7.50×10¯² lbs = 7.50×10¯² lbs × 453.952 g / 1 lbs

7.50×10¯² lbs = 34.0464 g

Therefore, 7.50×10¯² lbs is equivalent to 34.0464 g.

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Complete the following equations : H3PO4 = 3H+ --------------- CaSO4 = Ca 2+ ---------------- (2) b) Write the formulae of the s
jeka94

Answer:

H₃PO₄ → 3H⁺ + PO₄³⁻

CaSO₄ → Ca²⁺ + SO₄²⁻

b. CaCl₂

Explanation:

When H₃PO₄ is dissolved in water, there are produced the H⁺ and PO₄³⁻ ions. The equation is:

H₃PO₄ → 3H⁺ + PO₄³⁻

In the same way, CaSO₄ is dissolved in:

CaSO₄ → Ca²⁺ + SO₄²⁻

b. Now, in a reaction of an acid (HCl) and a base (Ca(OH)₂), water, H₂O and a salt are produced:

2 HCl + Ca(OH)₂ → 2H₂O + Salt

The ions that are not present in the reaction are Cl⁻ and Ca²⁺, the salt is CaCl₂ and the balanced reaction is:

2 HCl + Ca(OH)₂ → 2H₂O + CaCl₂

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2 years ago
Which statement explains whether NaCl or BeO will have a stronger bond?
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Answer:

C

Explanation:

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3 years ago
(3.88 x 10to the 26th)atoms of copper would be equal to how many moles of copper?
marissa [1.9K]

Answer:

69

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Balance this equation. Pb(NO3)2(aq)+NaCl(aq) -> NaNO3(aq)+PbCl2(s)
const2013 [10]

Answer:

Pb(NO3)2(aq) + 2NaCl(aq) -> 2NaNO3(aq)+PbCl2(s)

Explanation:

Pb(NO3)2(aq)+NaCl(aq) -> NaNO3(aq)+PbCl2(s)

This is how it starts out.

Left:

  • 2 NO3s
  • 1 Pb
  • 1 Na
  • 1 Cl

Right

  • 1 Na
  • 1 NO3
  • 1 Pb
  • 2 Cl

So the place to start with this equation is to bring the Cls up to 2

Pb(NO3)2(aq)+2NaCl(aq) -> NaNO3(aq)+PbCl2(s)

But the Nas are now out of kilter.

Pb(NO3)2(aq)+ 2NaCl(aq) -> NaNO3(aq)+PbCl2(s)

Now the right has a problem. There's only 1 Na

Pb(NO3)2(aq) + 2 NaCl(aq) -> 2NaNO3(aq)+PbCl2(s)

Check it out. It looks like we are done.

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