Answer: m = 3.3 mol·58.326 mol = 192 g
Step-by-step explanation: molar mass of substance is
M= (24.31+ 2·1.008 + 2·16) g/mol = 58.326 g/ mol.
Amount of substance n = m/M and mass m = n·M
Answer:

Step-by-step explanation:
y - 10 = 3(x + 5)
y - 10 = 3x + 15
+ 10 + 10
__________
y = 3x + 25
- 3x - 3x
________

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Answer:

Step-by-step explanation:
So we have the equation:

First, distribute the -3:

Combine like terms:

Subtract 5 from both sides:

Divide both sides by 11:

So, the value of x is 2.
And we're done!
16 = 1/4x + 2.5...where x stands for diameter of large gear
16 - 2.5 = 1/4x
13.5 = 1/4x....multiply both sides by 4, eliminating the 1/4 on the right side
13.5 * 4 = x
54 = x.....the large gear is 54 cm
The answer to your question is A