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if the mass of a metal is 127.70 grams, what is number of moles on the metal in the cube?

I may not have all of the post? What cube?

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What is the correct formula for finding the correct number of molecules if we are given molar mass and moles in a question? (3

Top answer: Moles x Avogadro's number Read more.
I'm having trouble converting moles to grams and finding the mass of molecules.Problems I'm stuck on: What is the mass in grams

Top answer: <<What is the mass in grams of 0.99x10^49 Sodium Chloride Molecules?>> First find out how many moles Read more.
1. How many molecules does 36.0 grams of water represent?Change the following masses to number of particles by: A) dividing by

Top answer: mol = grams/molar mass Read more.
Mole Calculation Worksheet1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How

Top answer: 1) To find the number of moles in 15 grams of lithium, you need to divide the given mass by the Read more.
A piece of chalk (CaCO3) has an initial mass of 43.5 grams. The massof the chalk decreased to 39.6 grams after it was used.

Top answer: 0.4 moles Read more.
How many moles of CH4 are present in a sample of 10.55 grams of CH4? (The molar mass of CH4 is 16.05 grams/mole). If you are

Top answer: The number of moles of CH4 present can be calculated using the formula: Number of moles = Mass / Read more.
Which measure correctly completes the statement?1,127.5 milligrams = ? mL] A. 112.75 grams B. 11.275 grams C. 1.1275 grams** D.

Top answer: thanks!! Read more.
Which measure correctly completes the statement?1,127.5 milligrams = ? mL] A. 112.75 grams B. 11.275 grams C. 1.1275 grams** D.

Top answer: 1 mg = 0.001 mL 1127.5 mg = 1127.5 ∙ 0.001 = 1.1275 mL Read more.
How many grams of NaOH are present in 3.1 moles of NaOH. (The molar mass of NaOH is 39.997 grams/mol) If you are unsure how to

Top answer: The correct answer is b) 12.90 grams of NaOH. To calculate the grams of NaOH present in 3.1 moles, Read more.
from the balanced equation 4NH3 +7O2 - 4NO2 + 6H2O.How many grams of oxygen are necessary to produce 4.50 moles of NO2? I think

Top answer: Grams of O2 = moles of O2 x molar mass of O2 Molar mass of O2 = 32 g/mol Therefore, 4.50 moles of Read more.