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vladimir2022 [97]
3 years ago
9

Need help answering

Chemistry
1 answer:
svp [43]3 years ago
4 0

Answer:

Your answer would be E

Explanation:

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Relative mass each element contributes to the mass as a whole is _________.
Korolek [52]
Your a furry cause I don’t know
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3 years ago
What type of reaction is: iron + lead nitrate -> lead +
Vladimir [108]

Answer:

C. single replacement

Explanation:

In a single replacement reaction, one atom replaces another.

The general form of a single replacement reaction is: A + Bc ⇒ Ac + B

A   +  B  ×  c      ⇒   B   +  A × c

↓       ↓      ↓            ↓       ↓    ↓

Fe +  Pb(NO₃)₂ ⇒  Pb  + Fe(NO₃)₂

Iron switched places with lead so the reaction is a single replacement reaction.

Hope this helps.

4 0
4 years ago
1. A student calculated the theoretical yield of BaSO4(s) in a precipitation experiment to be 1.352 grams. When she filtered, dr
kicyunya [14]

Answer:

Student's percent yield =  94.6%

Explanation:

Given:

Estimated yield of BaSO₄(s) = 1.352 grams

Actual yield = 1.279 grams

Find:

Student's percent yield = ?

Computation:

Student's percent yield = [Actual yield / Estimated yield of BaSO₄(s)]100

Student's percent yield = ( 1.279 grams / 1.352 grams)100

Student's percent yield = (0.946)100

Student's percent yield =  94.6%

3 0
3 years ago
Does anyone understand this ?
irakobra [83]
You have to press the tools along with the directions and then it will tell you the measurements for the lab I’m taking the same class
6 0
4 years ago
Read 2 more answers
How many grams of Mn are there in 5.09 moles of Mn?<br><br> grams
qwelly [4]

Explanation:

n=m/M

m=n*M

m=5,09 mol * 54,9g/mol

m= 279,4g

3 0
3 years ago
Read 2 more answers
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