Answer:3,550.5 g
Explanation:
Mass= density×volume
Mass= 13.5g/m.l×263ml
Mass=3,550.5 g
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% error =
x 100%
Experimental: 2.85
Actual (theoretical): 2.70
% error =
x 100% = .055555 x 100% = 5.56%
Answer:
All isotopes of an element have the same number of protons and electrons, which means they exhibit the same chemistry. The isotopes of an element differ only in their atomic mass, which is given by the mass number (A), the sum of the numbers of protons and neutrons.
Explanation:
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Answer:
They have the chance to inhale toxic fumes secreted by the mixture.
Explanation: